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Alzheimer’s Disease
Latest News Regarding Alzheimer’s Disease and Your Health
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New research suggests that vital exhaustion, a marker of psychological distress, may raise the risk of developing Alzheimer’s disease. Psychological distress in midlife may bring about dementia later on, suggests new research. Many factors may increase Alzheimer’s risk, including age, family history, and genetic makeup. Certain health issues, such as cardiovascular disease or diabetes, may also influence the odds of experiencing dementia because they impact the blood vessels. New research indicates that psychological factors could also affect risk. Psychological distress, in particular, may increase the likelihood of developing dementia, suggests the new study. Specifically, researchers led by Sabrina Islamoska, a doctoral candidate in the Department of Public Health at the University of Copenhagen, Denmark, set out to investigate the possibility of a link between vital exhaustion and Alzheimer’s disease. Vital exhaustion describes “a mental state of psychological distress” that manifests as irritability, fatigue, and a feeling of demoralization. As the researchers explain, vital exhaustion may be a reaction to “unsolvable problems” in one’s life, especially when the person has been exposed to stressors for a prolonged period. So, vital exhaustion can be seen as a sign of psychological distress. Previous studies have noted that vital exhaustion may raise the risk […]
The buildup of defective tau proteins is a prominent feature of neurodegenerative diseases such as Alzheimer’s. The faulty proteins form tangles that disrupt brain function and kill nerve cells, or neurons. Experiments in human cell cultures reveal a mechanism through which scientists can regulate defective tau protein levels. Now, scientists have identified a molecule that plays a vital role in helping to prevent the buildup of toxic tau protein in the brain. The molecule, which has the name vacuolar protein sorting 35 (VPS35), identifies and removes faulty tau proteins from neurons. Using human cells, researchers from Lewis Katz School of Medicine (LKSOM) at Temple University in Philadelphia, PA, showed that they could control tau buildup by altering levels of VPS35. They describe the findings in a Molecular Psychiatry study paper. “A major part of what VPS35 does,” says senior study author Prof. Domenico Praticò, director of LKSOM’s Alzheimer’s Center at Temple, “is to sort out and transport dysfunctional proteins to degradation sites.” The researcher and his colleagues also found that VPS35’s effect on tau depends on the activity of cathepsin D, an enzyme that breaks down proteins in cells. Neurons vulnerable to defective proteins The correct folding of proteins is […]
Scientists have now proved that drinking certain types of coffee can be beneficial to brain health, but how does this popular brew support cognitive function? A new study identifies some of the mechanisms that allow coffee to keep mental decline at bay. What makes coffee an ally of brain health? According to data from the Harvard T.H. Chan School of Public Health in Boston, MA, about 54 percent of all adults in the United States drink coffee on a daily basis. While drinking coffee can bring both benefits and risks for a person’s health, a 2016 study from the University of Ulster in Coleraine, United Kingdom, concluded that the health benefits of moderate coffee consumption “clearly outweigh” the potential risks. One of these benefits is that coffee seems to protect the brain against cognitive impairments and boost thinking skills. How does this happen, and what is it about coffee that is so beneficial to cognitive health? These are some questions that a new study from the Krembil Brain Institute — part of the Krembil Research Institute in Toronto, Canada — aims to answer. “Coffee consumption does seem to have some correlation to a decreased risk of developing Alzheimer’s disease and […]
Latest Alzheimer’s News FRIDAY, May 10, 2019 (HealthDay News) — Cuddler the bear, Aibo the dog, Justocat the purring kitty: They may only be furry, lifelike robots, but they have a made a real impact in nursing homes. That’s the finding of new British research that suggests these high-tech “robopets” are the next best thing for nursing home residents unable to have a beloved pet or those suffering from loneliness. “Although not every … resident may choose to interact with robopets, for those who do, they appear to offer many benefits,” study author Rebecca Abbott, of the University of Exeter Medical School, said in a university news release. The robopets stimulate conversations and trigger fond memories of pets or past experiences, Abbott said. “And there is also the comfort of touching or interacting with the robopet itself. The joy of having something to care for was a strong finding across many of the studies.” One U.S. geriatrician who was not involved in the study said engagement with a robotpet does seem helpful. “Most importantly, it was found to decrease loneliness and increase pleasure and joy, and bring comfort,” said Dr. Maria Torroella Carney. She directs geriatrics and palliative medicine at […]
As scientists delve deeper into the nature of Parkinson’s, the more it appears that it is highly varied, suggesting numerous subtypes. A new review proposes that Parkinson’s falls into one of two main categories, depending on whether it originates in the central nervous system (CNS) or the peripheral nervous system (PNS). Share on PinterestNew research redefines Parkinson’s disease. In a recent Journal of Parkinson’s Disease paper, scientists from Denmark argue how results from imaging and tissue studies fit with a theory of Parkinson’s that divides the condition “into a PNS-first and a CNS-first subtype.” Parkinson’s disease principally destroys dopamine cells in the brain’s substantia nigra area. This is the part that controls movement. This damage gives rise to the most common symptoms, including tremors, rigidity, and balance difficulties. Parkinson’s disease may also cause emotional changes, depression, constipation, sleep disruption, and urinary problems. The pattern of symptoms and their rate of progression can vary widely among individuals. A distinguishing feature of Parkinson’s, however, is the accumulation and spread of toxic clumps of alpha-synuclein protein called Lewy bodies. These clumps are also hallmarks of dementia with Lewy bodies. Debating the origins of Parkinson’s Some scientists have proposed that the toxic alpha-synuclein forms […]
New research suggests that “Life’s Simple 7” steps for maintaining heart health may also be a useful tool for predicting dementia risk and preventing the neurological condition. Managing your blood pressure is one of the seven actionable steps people in their 50s can take to maintain their cardiovascular health. The lead author of the new study is Séverine Sabia, of the department of Epidemiology of Ageing and Neurodegenerative Diseases at Inserm, a public research institution affiliated with the Université de Paris in France. Sabia and her colleagues set out to examine the link between the American Heart Association’s (AHA) guidelines for optimal cardiovascular health — which they dub “Life’s Simple 7” — and the risk of developing dementia later in life. “Life’s Simple 7” are modifiable risk factors which, according to the AHA, can help keep heart disease at bay. Making lifestyle changes along these seven parameters can improve a person’s cardiovascular health, the AHA advises. Life’s Simple 7 are: manage blood pressure manage cholesterol lower blood sugar stay physically active follow a healthful diet lose weight stop smoking (or don’t start) In the new research, Sabia and her team looked at how well people adhered to these steps at […]
By the time that the symptoms of dementia emerge in Alzheimer’s disease, tissue damage is well underway in the brain. Now, scientists propose that specific psychiatric symptoms – such as depression, anxiety, sleep disruption, and loss of appetite – may serve as markers of very early brain changes in Alzheimer’s. Depression and anxiety may be signs of early-stage Alzheimer’s. Working with the Brazilian Biobank for Aging Studies (BBAS) at the University of São Paulo, investigators at the University of California in San Francisco (UCSF) studied results of postmortem brain tissue tests and compared them with psychiatric symptoms obtained from detailed interviews conducted with people who knew the deceased well, such as relatives and carers. They suggest that their study — a paper on which now features in the Journal of Alzheimer’s Disease — reveals that psychiatric symptoms are not the cause of Alzheimer’s, but more likely early indicators of the disease. Such markers could help doctors to diagnose Alzheimer’s disease much earlier and thus increase opportunities for slowing its progress, they note. Better understanding of Alzheimer’s The authors also propose that the findings could alter our understanding of how the biology of Alzheimer’s leads to psychiatric symptoms in people who […]
New research in the Journal of Biological Chemistry breaks down the process through which tau tangles grow as long as they do. The findings may lead to new therapies that target the formation of tau aggregates in Alzheimer’s disease. Researchers knew that Alzheimer’s-related tau aggregates consisted of a small number of long tau fibrils. One of the hallmarks of Alzheimer’s disease is the so-called tau tangles. Tau is a protein contained within the axons of the nerve cells. More specifically, tau helps form microtubules — essential structures that transport nutrients within nerve cells. In a healthy brain, the tau protein helps these microtubules remain straight and strong. But in Alzheimer’s, tau collapses into aggregates called tangles. When this happens, the microtubules can no longer sustain the transport of nutrients and other essential substances in the nerve cells, which eventually leads to cell death. How toxic and damaging these tau tangles can be, and how far they can spread, depends on their length. However, until now, scientists did not know why some tau tangles are longer than others in Alzheimer’s, or how these aggregates grow so long in the first place. But now, scientists at the Ohio State University in Columbus […]
Researchers are growing increasingly interested in the relationship between blood pressure and dementia. The most recent study investigates how patterns of change in blood pressure over the decades might influence risk. What can blood pressure fluctuations tell us about dementia risk? As the United States population ages, dementia incidence rises in tandem. Today, around 5 million people in the U.S. have a dementia diagnosis. Studies published over the last few years have produced evidence that hypertension (high blood pressure) during midlife appears to increase the risk of dementia and cognitive decline. Hypertension affects an estimated 1 in 3 adults in the U.S., so it is vital to understandi the exact relationship between blood pressure and the aging brain. Researchers have done less work to investigate the links between blood pressure during later life and cognitive outcomes. However, as the authors of a recent study explain, the findings hint that “optimal blood pressure ranges for older adults may depend on earlier blood pressure characteristics.” In other words, the impact of hypertension on the aging brain may depend on the pattern of blood pressure from midlife onward. Blood pressure changes through life The authors of the current study, published in JAMA Network, […]
By Serena GordonHealthDay Reporter Latest Alzheimer’s News TUESDAY, March 5, 2019 (HealthDay News) — Most seniors expect their doctor to recommend testing of thinking and memory when it’s needed. But a new survey discovered that is rarely the case: Only one in seven seniors received a regular assessment for memory and thinking (or “cognitive”) troubles. That finding is in sharp contrast to those who receive assessments for other common health issues. Ninety-one percent of seniors said they were regularly checked for blood pressure, and 83 percent said their cholesterol levels were routinely tested. “Both doctors and patients have a strong belief that cognitive assessment is important, but there’s a disconnect about who should bring it up,” explained Joanne Pike, chief program officer at the Alzheimer’s Association, which conducted the survey. The survey found that most seniors thought that the doctor would recommend such screening when it was necessary. Meanwhile, doctors were waiting for patients or family members to report that someone might be having memory issues. Pike said that while seniors reported believing that early detection of memory and thinking issues would be beneficial, many didn’t tell their doctors about their own memory concerns. “Half of all seniors were aware […]
New research identifies changes in the neurochemistry and anatomy of the brain that occur decades before people experience any symptoms of Alzheimer’s disease. Brain changes may occur decades before people experience Alzheimer’s symptoms, accumulating evidence suggests. The fact that more than 35 million people are currently living with Alzheimer’s disease has led some experts to refer to this condition as a “global epidemic.” According to estimates, the prevalence of Alzheimer’s disease will double almost every 2 decades. Detecting Alzheimer’s early on makes it easier to plan adequate care and begin therapeutic interventions as early as possible, which may alleviate the symptoms. Researchers believe that Alzheimer’s begins many years before the onset of symptoms. In fact, emerging research has suggested that some Alzheimer’s-related brain mechanisms start at least 10 years before diagnosis. However, it is not yet clear exactly when these changes occur. In a new study, researchers have set out to detect more precise “changepoints” in the evolution of Alzheimer’s biomarkers. Laurent Younes, Ph.D., who is a professor and chair of the Department of Applied Mathematics and Statistics at Johns Hopkins University in Baltimore, MD, is the lead author of the new paper, which appears in the journal Frontiers in […]
By Dennis ThompsonHealthDay Reporter Latest Alzheimer’s News TUESDAY, Jan. 29, 2019 (HealthDay News) — Tight control of your blood pressure won’t necessarily spare you from full-blown dementia, a new trial concludes. But it might lower the risk of slight declines in thinking and memory, a condition known as mild cognitive impairment (MCI), the researchers added. The clinical trial is the “first study in history to show that any intervention can reduce your risk of developing mild cognitive impairment, an early form of dementia,” said lead researcher Dr. Jeff Williamson. He is a professor of gerontology and geriatric medicine at Wake Forest School of Medicine, in Winston-Salem, N.C. “What is good for your heart in terms of blood pressure-lowering is also good for your brain,” Williamson added. He noted that the trial ended early, which likely affected the dementia result. “We just didn’t have enough dementia cases develop over time” in the group with less-restricted blood pressure, he explained. High blood pressure affects more than three-fourths of people over the age of 65, and it has been identified as a potential risk factor for MCI and dementia in observational studies, the study authors said in background notes. The new clinical trial […]
Latest Alzheimer’s News WEDNESDAY, Jan. 30, 2019 (HealthDay News) — The polar vortex that has enveloped much of the United States this week poses a special danger to people with Alzheimer’s disease and other types of dementia. “This type of weather can be hazardous for everyone, but even more so for individuals living with Alzheimer’s disease, who may have difficulty noticing temperature and weather changes or knowing who to call for help,” said Charles Fuschillo Jr., CEO and president of the Alzheimer’s Foundation of America. “A few easy steps can go a long way to help family caregivers keep their loved one with Alzheimer’s disease safe,” he added in a foundation news release. It’s important for family members and caregivers to know the signs of hypothermia. Be alert for shivering, exhaustion, sleepiness, slurred speech, memory loss and clumsy motor skills, the foundation advised. Caution is needed when using electric space heaters. They can pose a fire risk, especially when used with extension cords or if they get knocked over. For Alzheimer’s or dementia patients, use space heaters that automatically turn off when they reach a set temperature or tip over, the foundation said. Don’t use electric blankets to keep people […]
Latest Alzheimer’s News FRIDAY, Jan. 18, 2019 (HealthDay News) — Frailty is associated with a higher risk of both Alzheimer’s disease and its crippling symptoms, a new study shows. “By reducing an individual’s physiological reserve, frailty could trigger the clinical expression of dementia when it might remain asymptomatic in someone who is not frail,” said study leader Dr. Kenneth Rockwood, a professor at Dalhousie University in Halifax, Canada. “This indicates that a ‘frail brain’ might be more susceptible to neurological problems like dementia as it is less able to cope with the pathological burden,” he added. The study included 456 adults in Illinois, aged 59 and older, who did not have Alzheimer’s when first enrolled in the Rush Memory and Aging Project. They underwent annual assessments of their mental and physical health, and their brains were examined after they died. By their last assessment, 53 percent of the participants had been diagnosed with possible or probable Alzheimer’s disease. For the physical assessments, the researchers created a frailty index using 41 components, including fatigue, joint and heart problems, osteoporosis, mobility and meal preparation abilities. Overall, 8 percent of the participants had significant Alzheimer’s disease-related brain changes without having been diagnosed with […]
A recent study in older people suggests that reducing blood pressure to levels below the usual standard can lessen the risk of mild cognitive impairment, which is a condition that often precedes dementia. Lowering blood pressure in seniors could prevent mild cognitive impairment, new research concludes. Scientists at the Wake Forest School of Medicine in Winston-Salem, NC, led a randomized clinical trial involving just under 9,400 adults in their 50s or older with high blood pressure. The objective of the trial, as the investigative team notes in the JAMA study paper, was to “evaluate the effect of intensive blood pressure control on risk of dementia.” The older adults received either intensive blood pressure control or standard treatment. The purpose of intensive control was to bring systolic blood pressure below 120 millimeters of mercury (mm Hg), while that of standard treatment was to lower it to under 140 mm Hg. Systolic blood pressure is the pressure in the arteries when the heart contracts. It is usually the first number in a blood pressure measurement, as in “140 mm Hg over 80 mm Hg,” for instance. The results revealed that significantly fewer of those who received intensive blood pressure control went on […]
Latest Alzheimer’s News MONDAY, Aug. 19, 2019 (HealthDay News) — Heat waves can pose a serious risk to people with Alzheimer’s disease, so their families should know how to keep them safe, advocates say. Extreme heat is “dangerous for everyone, but especially for someone with Alzheimer’s disease, who may be unable to spot the warning signs of trouble or know how to get help,” said Charles Fuschillo Jr., president and CEO of the Alzheimer’s Foundation of America (AFA). “Caregivers need to be proactive and prepared to protect their loved ones. Taking a few simple steps will go a long way,” he said in a foundation news release. Alzheimer’s and other types of dementia can diminish a person’s ability to know when they are thirsty, so it’s crucial for caregivers to watch them and encourage them to drink often. Don’t let them have alcohol and caffeinated beverages, which may contribute to dehydration. Seniors and people with chronic medical conditions are at high risk for hyperthermia, an abnormally high body temperature caused by an inability to regulate heat from the environment. A life-threatening form of hyperthermia is heat stroke, a dangerous elevation in body temperature. Watch Alzheimer’s patients for warning signs such […]
Memory can deteriorate naturally, due to age, and even when this process is not related to neurodegenerative conditions, such as Alzheimer’s, it can still affect a person’s quality of life. Now, researchers from Boston University in Massachusetts are exploring ways of fighting age-related memory decline. By resynchronizing brain waves, we could reverse some age-related memory problems. “Working memory […] is a fundamental building block of human cognition,” explains Robert Reinhart, Ph.D., the director of the university’s Visual Cognitive Neuroscience Laboratory. “It’s been called, classically, the ‘workbench of the mind’ or the ‘sketchpad of the mind.’ It allows us to hold information in our minds over a period of seconds,” he continues. Essentially, this is the type of memory that allows a person to make spontaneous calculations and assessments, and navigate daily life situations. But working memory also starts to naturally decline with age, which means that, as a person grows older, they may find it more difficult to perform some tasks, such as keeping track of their finances. “Working memory […] is where we think, where we problem-solve, where we reason, plan, perform mathematical calculations, make decisions. It’s essentially where consciousness lives.” Robert Reinhart, Ph.D. For this reason, Reinhart and […]
The vast majority of people who develop the rare neurological disease amyotrophic lateral sclerosis have one feature in common: toxic buildup of faulty TDP-43 protein in the affected nerve cells. One recent study tackled the toxic protein deposits that characterize 97 percent of ALS cases. Postmortem evidence suggests that 97 percent of people with amyotrophic lateral sclerosis (ALS) have these toxic protein deposits. There is also evidence that faulty TDP-43 occurs in 45 percent of frontotemporal dementia, 60 percent of Alzheimer’s disease, and 80 percent of chronic traumatic encephalopathy cases. Now, scientists at the University of Pittsburgh in Pennsylvania have developed an approach that could prevent the formation of toxic TDP-43 deposits. They recreated conditions that would lead to a buildup of TDP-43 followed by cell death in cultured human nerve cells. At this point, they noticed that the deposits only formed when certain molecules that target TDP-43 — namely, the protein’s RNA binding partners — were missing. Adding a molecule that could mimic the action of the missing RNA binding partners, however, prevented TDP-43 deposits from forming in the cells. The study, which now features in the journal Neuron, is unique in that it focuses on proteins rather than […]
Latest Alzheimer’s News WEDNESDAY, June 5, 2019 (HealthDay News) — If someone you know is struggling to keep track of their finances as they age, early dementia might be the culprit. That’s the conclusion of researchers who tested 243 adults, aged 55 to 90, on their financial skills and performed brain scans to assess the buildup of beta-amyloid plaques, which are associated with Alzheimer’s disease. Some of the participants had no mental decline, some had mild memory impairment and some had been diagnosed with Alzheimer’s disease. Specific financial skills declined with age and at the earliest stages of mild memory impairment, with similar declines in men and women, the study authors said. “There has been a misperception that financial difficulty may occur only in the late stages of dementia, but this can happen early and the changes can be subtle,” said senior study author P. Murali Doraiswamy. He is a professor of psychiatry and geriatrics at Duke University, in Durham, N.C. After accounting for education levels and other factors, the researchers found that the more extensive the amyloid plaques were, the worse a person’s ability to understand and use basic financial concepts or to complete financial tasks, such as calculating […]
Latest Alzheimer’s News MONDAY, Feb. 10, 2020 (HealthDay News) — Two experimental drugs do not appear to slow memory loss or mental decline in patients in the early stages of a rare, inherited form of Alzheimer’s disease, according to initial results from a clinical trial. The international phase 2 and 3 clinical trial separately evaluated the two drugs — solanezumab (Eli Lilly and Co.), and gantenerumab (Roche and its U.S. affiliate, Genentech) — in nearly 200 people with dominantly inherited Alzheimer’s disease, also called autosomal dominant Alzheimer’s disease. People with this form of Alzheimer’s suffer declines in memory and thinking skills starting in their 50s, 40s or even 30s. The patients were followed for up to seven years, with an average of five years. Initial analysis suggests that neither drug achieved the primary outcome of the study, which was a slowing of mental decline as measured by thinking and memory tests. “Although the drugs we evaluated were not successful, the trial will move us forward in understanding Alzheimer’s,” study director Dr. Randall Bateman, a professor of neurology at Washington University in St. Louis, said in a university news release. The study can help guide future research into the disease, including […]
Blocking an enzyme could put a stop to the buildup of toxic protein clumps that occurs in the brains of people with Parkinson’s disease. New research reveals that blocking a certain protein clears Lewy bodies — toxic structures that are a hallmark of Parkinson’s disease. This was the conclusion that scientists at Georgetown University Medical Center (GUMC) in Washington, D.C. reached after studying the enzyme, called USP13, in the brains of mice and humans. The study, which features in the journal Human Molecular Genetics, may be the first to explain USP13’s role in the toxic accumulation of protein clumps in the brain. The protein accumulations are called Lewy bodies, and they also occur in other neurodegenerative diseases, including Lewy body dementia and multiple system atrophy. “This study,” says lead author Xiaoguang Liu, an assistant professor of neurology at GUMC, “provides novel evidence that USP13 affects development and clearance of Lewy body protein clumps, suggesting that targeting USP13 may be a therapeutic target in Parkinson’s disease and other similar forms of neurodegeneration.” Parkinson’s disease and Lewy bodies Parkinson’s disease is a degenerative disorder that chiefly affects movement control. Typical symptoms include tremors, stiffness, and bradykinesia, which is a slowness of movement. […]
What brand names are available for ginkgo (Ginkgo biloba)-oral? Fossil Tree, Kew Tree, Silver Apricot Is ginkgo (Ginkgo biloba)-oral available as a generic drug? GENERIC AVAILABLE: Yes Do I need a prescription for ginkgo (Ginkgo biloba)-oral? No What are the uses for ginkgo (Ginkgo biloba)-oral? Ginkgo biloba is used for memory improvement, dementia, Alzheimer’s disease, anxiety, multiple sclerosis, tinnitus (ringing in the ears), sexual dysfunction, premenstrual syndrome, dizziness, headache, glaucoma, diabetic eye problems, and vertigo. What are the side effects of ginkgo (Ginkgo biloba)-oral? Side effects of gingko biloba are Possible serious side effects of gingko biloba include: bleeding in the eye or brain, severe bleeding after surgery, severe allergic reactions, difficulty breathing, seizures (eating fresh gingko seeds), and death (eating fresh gingko seeds). What is the dosage for ginkgo (Ginkgo biloba)-oral? Dosing may vary with the preparation (capsules, gels, extracts). Read manufacturer’s directions before using this product. Dementia: Take 120 – 240 mg per day in divided doses, 2 to 3 times a day. Vertigo and tinnitusTake 120 – 160 mg per day in divided doses, 2 to 3 times a day. Sexual dysfunctionTake 60 – 240 mg by mouth twice a day. Premenstrual symptoms Take 80 mg by […]
A novel genetic approach that repairs broken connections between brain cells could lead to treatments that restore memory capacity in Alzheimer’s disease. By using epigenetics, it may soon be possible to reverse memory loss in Alzheimer’s disease. The new approach reverses changes to gene expression that tend to occur in the later stages of the disease. Scientists at State University of New York at Buffalo demonstrated how the method was able to reverse Alzheimer’s memory decline in mice. Much genetic research on the causes of Alzheimer’s disease focuses on changes in the DNA of genes. The new study, however, focuses on epigenetics, which concerns mechanisms that can switch genes on and off without disturbing their DNA code. A paper about the work now features in the journal Brain. “In this paper,” says senior study author Zhen Yan, Ph.D., who is a professor in the Department of Physiology and Biophysics, “we have not only identified the epigenetic factors that contribute to the memory loss, we also found ways to temporarily reverse them in an animal model of [Alzheimer’s disease].” Alzheimer’s disease and loss of synapses Alzheimer’s disease is the leading cause of dementia. According to the World Health Organization (WHO), between […]
By Amy NortonHealthDay Reporter Latest Alzheimer’s News MONDAY, April 15, 2019 (HealthDay News) — When older adults fall prey to scam artists, it might in some cases be an early warning of Alzheimer’s disease, a new study suggests. The study of 935 older adults found that those who appeared susceptible to scams were at higher risk of mental decline over the next six years. Compared with their more skeptical peers, they were 47% more likely to develop mild cognitive impairment — problems with memory and thinking that can progress to dementia. And they were typically twice as likely to develop Alzheimer’s disease. Researchers said it all suggests that “low scam awareness” can be a harbinger of dementia. That’s important, in part, because financial fraudsters go after the elderly. “Older adults hold most of the wealth in this country,” said Patricia Boyle, lead researcher on the study. “We know they are often the target of scam artists, and they’re vulnerable to falling victim — to the tune of about $35 billion a year.” If an older adult falls for a scam, that alone does not mean they’re on a path toward dementia, said Boyle, a neuropsychologist with the Rush Alzheimer’s Disease […]
What is dementia? There are seven stages of dementia. Dementia is a term that describes a chronic or persistent disorder of mental processing. What are the early warning signs and symptoms of dementia? Dementia may produce a group of signs and symptoms that become more severe over time. Some doctors believe that the early warning signs and stages include a decline in memory, counting, and reasoning and language abilities. However, early signs of Alzheimer’s (and other types of dementia) may be first noticed by a family member or other person. Potential early warning signs and symptoms of dementia include: Memory loss. Misplacing items (keys, glasses). Confusion about time and place (location). Difficulty planning or problem solving. Poor work performance. Problems understanding visual information. Forgetting familiar names. Difficulty doing familiar tasks. Getting lost easily. Poor judgment or decision-making. Withdrawal from socializing. Changes in personality or mood (for example, unusually angry). Can’t control emotions. Problems with speaking or writing. Acting impulsively. Problems resisting emotions to use or touch objects while walking past them, for example, walking past the phone ringing but do not answer it. A lack of interested in things they normally enjoy. Have problems starting activities. Some early warnings symptoms […]
A new study finds that hearing devices benefit older adults in multiple ways, from physical safety to brain health. A recent study investigates the wide ranging impacts of wearing hearing aids. Almost 1 in 4 people in the United States aged 65–74 have disabling hearing loss. In people over 75, the figure is 1 in 2. Nonetheless, many people who would benefit from wearing a hearing aid do not wear them. Experts have linked hearing loss to an increased likelihood of dementia, depression and anxiety, walking problems, and falling. Now, a study in the Journal of American Geriatrics Society finds that using a hearing device makes these problems significantly less likely to occur. Study lead Elham Mahmoudi, Ph.D., from the University of Michigan, explains: “We already know that people with hearing loss have more adverse health events and more co-existing conditions, but this study allows us to see the effects of an intervention and look for associations between hearing aids and health outcomes.” She continues, “Though hearing aids can’t be said to prevent these conditions, a delay in the onset of dementia, depression and anxiety, and the risk of serious falls could be significant both for the patient and for […]
Latest Alzheimer’s News TUESDAY, Jan. 22, 2019 (HealthDay News) — Leaky blood vessels in the brain may be an early sign of Alzheimer’s disease, researchers say. They followed 161 older adults for five years and found that those with the most severe memory declines had the greatest leakage in their brain’s blood vessels, regardless of whether the Alzheimer’s-related proteins amyloid and tau were present. The findings could help with earlier diagnosis of Alzheimer’s and suggest a new drug target for slowing down or preventing the disease, according to the researchers from the University of Southern California. “The fact that we’re seeing the blood vessels leaking, independent of tau and independent of amyloid, when people have cognitive [mental] impairment on a mild level, suggests it could be a totally separate process or a very early process,” said study senior author Dr. Berislav Zlokovic. He is director of the Zilkha Neurogenetic Institute at the university’s Keck School of Medicine in Los Angeles. “That was surprising, that this blood-brain barrier breakdown is occurring independently,” Zlokovic added in a university news release. The blood-brain barrier prevents harmful substances from reaching brain tissue. In some people, this barrier weakens with age. “If the blood-brain barrier […]
By Len CanterHealthDay Reporter Latest Alzheimer’s News THURSDAY, Oct. 24, 2019 (HealthDay News) — If you have a hard time remembering names or what to get at the supermarket, there are ways to boost your memory. According to a study in the journal Consciousness and Cognition, one of the best things you can do is say the information you want to remember out loud, and it’s even stronger if you repeat the information to another person — that means not just mouthing the words. This could explain why you can recite your child’s favorite book unaided — read it out loud enough times and you can have near total recall. An everyday example is to repeat the name of a new acquaintance out loud as soon as you’re introduced. Instead of just saying, “It’s nice to meet you,” add their name and say, “It’s nice to meet you, Mary.” Making word and number associations is effective, too. Break down a phone number you want to memorize into digits you can associate with special dates or the ages of your kids, for example. You might try dividing almost any type of information into chunks that you learn one by one. Other […]
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By Amy NortonHealthDay Reporter Latest Alzheimer’s News TUESDAY, April 30, 2019 (HealthDay News) — Elderly adults commonly have memory and thinking problems that look a lot like Alzheimer’s disease, but they might really be suffering from a different form of dementia. That’s according to an international panel of experts who are giving the disease a name for the first time, and detailing what’s known about it so far. Writing in the April 30 issue of the journal Brain, they dub the condition limbic-predominant age-related TDP-43 encephalopathy — with the more memorable acronym, LATE. LATE mainly affects people older than 80, the experts explained. And it may account for about 17% of all cases of dementia. That fairly high prevalence helps explain a puzzling phenomenon, according to Dr. Peter Nelson, a professor at the University of Kentucky, who co-authored the report. Some people who die with what appears to be Alzheimer’s do not show telltale signs of the disease when their brains are autopsied — namely, abnormal protein clumps known as plaques and tangles. That means their dementia symptoms did not arise from Alzheimer’s. “This is part of a growing understanding that not all dementias are the same,” Nelson said. As […]
A new study in mice reveals that Candida albicans — a fungus largely perceived as harmless — can cause memory problems and brain abnormalities that resemble those characteristic of Alzheimer’s disease. C. albicans is the most common and best-studied cause of fungal infections in humans. Candida albicans is a species of fungus that grows naturally in the human gut, mouth, and vagina. Although the yeast is mostly harmless, it can develop into issues ranging from thrush to more serious infections that reach the blood and other organs. C. albicans is the most common cause of fungal infections in humans, as well as the most extensively studied fungal pathogen that affects people. A new study, which appears in the journal Nature Communications, adds to the existing body of knowledge about C. albicans. The new research shows that the fungus can enter the brain, trigger an inflammatory response, and impair memory in mice. Importantly, the infection leads to the formation of abnormal structures in the brain, and these share similarities with amyloid plaques — a hallmark of Alzheimer’s disease. Dr. David B. Corry, a professor of medicine-immunology, allergy, and rheumatology at the Baylor College of Medicine in Houston, TX, is the corresponding […]
Biogen, a multinational biotechnology company, and Eisai, a Japanese pharmaceutical company, are planning to file for Food and Drug Administration (FDA) approval for an Alzheimer’s drug that had mixed results in clinical trials. Can this controversial medication offer fresh hope to millions of people worldwide? A multinational biotech company will push for the regulation of a new Alzheimer’s drug that has met with some controversy. Across the world, around 50 million people live with dementia, the most common form of which is Alzheimer’s disease. Researchers are continually developing and testing new drugs to try and slow down, reverse, or at least improve the symptoms of this currently incurable condition. Yet many new drugs that scientists develop never make it beyond the clinical trial stage, as they either cause too many side effects or prove much less effective than their creators had hoped. And then there are some drugs that bring about mixed results when tested in clinical trials. One such drug is aducanumab, which was developed by scientists affiliated with Biogen, a multinational biotechnology company headquartered in Cambridge, MA. Aducanumab is a monoclonal antibody that is supposed to prevent or slow down neurodegeneration by removing toxic beta-amyloid plaques from the […]
A large new study has found a link between taking various kinds of blood pressure-lowering drugs and a lower risk of dementia among older adults, adding to the discussion around the link between cognitive decline and high blood pressure. People who take blood pressure-lowering medication may have a lower risk of dementia. Dementia is an umbrella-term for various neurodegenerative conditions, the most widespread of which is Alzheimer’s disease. The main characteristic of dementia is progressive cognitive decline, wherein a person experiences memory loss and a decline in their thinking and decision-making abilities. Researchers are still uncertain as to what causes dementia, but in an effort to improve prevention strategies, they have been studying the potential risk factors that may contribute to the development of this condition. Many recent studies have linked hypertension with a higher risk of dementia. For instance, a paper that appeared in the journal Neurology last year found that hypertension is tied to a higher risk of experiencing brain lesions, which are, in turn, tied to dementia. Now, a large study that used data from the Disease Analyzer database — which is a large German database that collects and stores the health information of millions of people […]
Latest Alzheimer’s News THURSDAY, Dec. 5, 2019 (HealthDay News) — Imagine a blood test that could spot whether you are aging too quickly. New research suggests it’s not the stuff of science fiction anymore. The scientists analyzed plasma — the cell-free, fluid part of blood — from more than 4,200 people between the ages of 18 and 95, and found a link between 373 proteins and aging. “We’ve known for a long time that measuring certain proteins in the blood can give you information about a person’s health status — lipoproteins for cardiovascular health, for example,” said study senior author Tony Wyss-Coray. He’s co-director of the Alzheimer’s Disease Research Center at Stanford University in California. “But it hasn’t been appreciated that so many different proteins’ levels — roughly a third of all the ones we looked at — change markedly with advancing age,” he added in a university news release. The study was published Dec. 5 in the journal Nature Medicine. “Proteins are the workhorses of the body’s constituent cells, and when their relative levels undergo substantial changes, it means you’ve changed, too,” Wyss-Coray explained. “Looking at thousands of them in plasma gives you a snapshot of what’s going on […]
New evidence suggests that atrial fibrillation, in which the heart has an irregular beat, is linked to an increased risk of dementia. This knowledge, however, also indicates a potential preventive strategy, researchers show. An irregular heartbeat speeds up the rate at which cognitive function deteriorates, but there may be an easy way to address this. In a new study paper published yesterday in the journal Neurology, researchers at the Karolinska Institute and Stockholm University, which are in Sweden, explain that atrial fibrillation (A-fib) is linked with an increased risk of developing dementia. In A-fib, the heart’s atria — or the chambers that receive blood and then send it to the ventricles, which pump it out to the rest of the body — beat irregularly. Because of this, blood can pool inside the heart and form clots, which may later circulate to the brain, leading to a stroke. The new study has found that A-fib also increases the risk of another health problem as people age — namely, dementia. However, this warning also comes with an encouraging solution, the authors explain. “Compromised blood flow caused by atrial fibrillation may affect the brain in a number of ways,” as study co-author Chengxuan […]
By Rich HolmesHealthDay Reporter Latest Alzheimer’s News WEDNESDAY, Nov. 6, 2019 (HealthDay News) — Just 10 minutes of exercise a day appears to sharpen mental prowess, new research suggests. “Getting off the couch and walking a block can help keep you on the right track,” said study author Nicole Spartano, a research assistant professor at Boston University School of Medicine. Her team looked 2,770 participants in the Framingham Heart Study who were divided into two groups: middle-aged and older. The Framingham study has followed the health and habits of its original participants from Massachusetts and their descendants since 1948. The researchers found that roughly 10 to 20 minutes of moderate to vigorous activity a day was associated with better brain function for both groups. For the middle-age group, just 10 minutes of moderate to vigorous activity was linked to better verbal memory. For the older group, the total amount of activity — not the intensity — corresponded to stronger mental skills. While the study only found associations, Spartano said the findings were especially significant for older people, who may find it difficult or impossible to meet the exercise guidelines set by the U.S. Department of Health and Human Services. Those […]
Researchers reveal a marker and new testing tool of frontotemporal dementia that may help distinguish this condition from Alzheimer’s disease. ‘Moral emotions’ are ones that prompt us to do good and contribute to pro-social behavior and cooperation. Frontotemporal dementia (FTD) is a less common form of dementia than Alzheimer’s. Sometimes called Pick’s disease or frontal lobe dementia, this condition occurs when brain cells in the frontal or temporal lobes of the brain, or both, become damaged. The frontal lobes of a person’s brain are responsible for problem-solving, planning, emotional control, and behavior. FTD may also affect the temporal lobes, which can be found on each side of the brain and deal with speech, the meaning of words, and recognition of faces or objects. In addition to difficulties with language, FTD also causes changes in personality and behavior. For instance, people with FTD may experience mood changes that do not normally characterize them. They may act more impulsively, lose their social inhibitions, feel apathetic, or lose interest in the emotions of other people or in socializing. Although some of these symptoms are similar to other, more common forms of dementia, such as Alzheimer’s disease, FTD is different from Alzheimer’s. In an […]
(HealthDay News) — Dementia is a group of symptoms associated with a decline in memory or thinking skills. Latest Alzheimer’s News Because the progression of dementia varies, deciding when a person is no longer able to drive safely can be difficult, says the National Center on Caregiving. For caregivers and those who have a loved one with dementia, the center suggests: If the person has mild dementia, have driving skills evaluated immediately. If the person with dementia passes, continue to have driving skills evaluated every 6 months. Watch for behavioral signs, such as disorientation and difficulty processing. Watch for poor driving behavior, such as drifting or incorrect signaling. Encourage the person to drive on familiar roads, and avoid nighttime driving. The NCC also suggests reducing the need to drive by arranging alternative transportation. Copyright © 2019 HealthDay. All rights reserved. SLIDESHOW Dementia, Alzheimer’s Disease, and Aging Brains See Slideshow
Latest Alzheimer’s News TUESDAY, Nov. 12, 2019 (American Heart Association News) — Omega-3 fatty acids have drawn attention for their potential to keep people’s thinking sharp as they age, and new research appears to support that notion for some heart patients. The study found taking omega-3 fatty acid supplements was associated with better brain function in people with coronary artery disease, which increases risk for dementia. The study included 250 people with coronary artery disease. For 30 months, half took omega-3 supplements; the other half served as a control group. The group taking the supplements had better coordination, reaction speed, memory and recall at one year and at 30 months, compared to the control group. “Other researchers have looked at omega-3 fatty acids in people who already have cognitive impairment or dementia,” said Dr. Francine Welty, a cardiologist at Harvard Medical School in Boston and one of the study’s investigators. “But the people we looked at were cognitively healthy, and we found there may be a benefit from omega-3 fatty acids before cognitive decline begins.” Welty’s colleague, Dr. Bhavya Vemuri, will present the preliminary findings Saturday at the American Heart Association’s Scientific Sessions in Philadelphia. Omega-3 fatty acids help build […]
Latest Alzheimer’s News TUESDAY, April 2, 2019 (HealthDay News) — Brain scans can improve diagnosis and management of Alzheimer’s disease, a new study claims. Researchers assessed the use of PET scans to identify Alzheimer’s-related amyloid plaques in the brain. The study included more than 11,000 Medicare beneficiaries with mild thinking impairment or dementia of uncertain cause. This scanning technique changed the diagnosis of the cause of mental impairment in more than one-third of the participants in the study. The brain scan results also changed management — including the use of medications and counseling — in nearly two-thirds of cases, according to the study published April 2 in the Journal of the American Medical Association. “These results present highly credible, large-scale evidence that amyloid PET imaging can be a powerful tool to improve the accuracy of Alzheimer’s diagnosis and lead to better medical management, especially in difficult-to-diagnose cases,” said study co-author Maria Carrillo, chief science officer of the Alzheimer’s Association. “It is important that amyloid PET imaging be more broadly accessible to those who need it,” she added in an association news release. Funding for the study came from Avid Radiopharmaceuticals Inc., General Electric Healthcare, and Life Molecular Imaging. “We are […]
More evidence points to the idea that air pollution may increase the risk of Alzheimer’s disease. A new study suggests that tiny polluting particles carried by dirty air can enter the brain, possibly contributing to cognitive decline. Share on PinterestWomen living in highly polluted areas are likelier to experience cognitive decline. It is no secret that ambient air pollution is an important risk factor for various health concerns. According to the World Health Organization (WHO), 9 in every 10 people worldwide breathe highly polluted air. Importantly, poor air quality contributes to millions of deaths globally per year. Although it is easy to understand how the air we breathe might affect our respiratory system — with research showing that ambient pollution contributes to lung cancer — it can be harder to understand how, or even if it impacts the health of other major organs. In fact, an increasing amount of evidence suggests that air pollution is associated with cognitive decline, and that it may contribute to the ever growing number of Alzheimer’s disease cases. For example, one study that Medical News Today covered in 2018 suggests that people with the most exposure to top air pollutants have a higher risk of […]
Researchers from the Massachusetts Institute of Technology have developed a machine-learning model that could predict the rate of Alzheimer’s-related cognitive decline for up to 2 years in the future. MIT researchers have developed a machine-learning model that they say could accurately predict cognitive decline. Alzheimer’s disease affects millions of people worldwide, yet scientists still do not know what causes it. For this reason, prevention strategies can be hit and miss. Moreover, healthcare professionals have no clear way of determining a person’s rate of cognitive decline once a doctor has diagnosed them with Alzheimer’s. Now, researchers from the Massachusetts Institute of Technology (MIT) in Cambridge — in collaboration with specialists from other institutions — have developed a machine-learning model that could allow specialists to predict how much a person’s cognitive functioning will change up to 2 years in advance of this decline becoming established. The team — made of Ognjen Rudovic, Yuria Utsumi, Kelly Peterson, Ricardo Guerrero, Daniel Rueckert, and Prof. Rosalind Picard — will present their project later this week at the Machine Learning for Healthcare conference. This year’s conference will take place in Ann Arbor, MI. “Accurate prediction of cognitive decline from 6 to 24 months is critical to […]
Latest Alzheimer’s News FRIDAY, Feb. 21, 2020 (HealthDay News) — A proposed project to map the genes of 1 million people in New York living with or at-risk for Alzheimer’s disease was announced Friday by Gov. Andrew Cuomo. He said the five years of data collected by the Curing Alzheimer’s Health Consortium initiative at the State University of New York would help researchers working to slow the progression of Alzheimer’s, the Associated Press reported. The state will seek proposals for private providers to work with SUNY, other hospitals and non-profit higher education research institutions on the project, Cuomo said. There is no cure for Alzheimer’s disease, which affects more than 5 million people in the United States. Current drugs only temporarily reduce symptoms, the AP reported. Copyright © 2019 HealthDay. All rights reserved. QUESTION One of the first symptoms of Alzheimer’s disease is __________________. See Answer
Latest Alzheimer’s News MONDAY, Oct. 28, 2019 (HealthDay News) — When a loved one shows signs of dementia, sometimes a head injury is the cause and MRI scans can help prevent a misdiagnosis of Alzheimer’s, researchers report. As many as 21% of older adults with dementia may be misdiagnosed with Alzheimer’s disease, a previous study found. Up to 40% of dementias are caused by conditions other than Alzheimer’s disease, according to the Alzheimer’s Association. A misdiagnosis can be devastating for patients and their families, and result in patients not receiving appropriate treatment or taking part in clinical trials that could benefit them, according to the authors of this new study. It included 40 patients, average age 68, who’d suffered a traumatic brain injury (TBI) and later developed memory problems. The patients underwent brain MRI scans, which were analyzed with a software program. “We already knew that MRIs can reveal subtle abnormalities in patients with neurological disorders, such as Alzheimer’s,” said study author Dr. Somayeh Meysami, a postdoctoral clinical research fellow in cognitive and behavioral neurology at the University of California, Los Angeles. “The purpose of our study was to evaluate whether MRI also could reveal distinct abnormalities in traumatic brain […]
Gum disease is common and unpleasant, but, according to a growing body of evidence, it could also play a role in a surprising range of seemingly unrelated health problems. Cleaning your teeth may be even more important than you thought. Plaque — a sticky substance that contains bacteria — builds up on teeth. If it is not brushed away, the bacteria can irritate the gums. The gums may then become swollen, sore, or infected; this is referred to as gingivitis. In general, gum disease can be treated or prevented by maintaining a good oral health regime. However, if it is left to develop, it can result in periodontitis, which weakens the supporting structures of the teeth. Gum disease, which is also called periodontal disease, is widespread. According to the Centers for Disease Control and Prevention (CDC), almost half of adults in the United States have some degree of gum disease. The mechanisms behind periodontal disease are relatively well-understood, and newer research shows that this health problem may play a role in the development of a number of other conditions, including Alzheimer’s disease, cancer, and respiratory disease. In this Spotlight, we will cover some of the surprising links between gum disease […]
By Deborah DiSesa HirschHealthDay Reporter Latest Alzheimer’s News TUESDAY, Oct. 29, 2019 (HealthDay News) — Unpaid bills, overdrawn accounts, dwindling investments: When seniors begin experiencing fiscal troubles, early dementia or Alzheimer’s disease could be an underlying cause, researchers say. In the early stages of the disease, people with undiagnosed Alzheimer’s are at high risk of making foolish and dangerous decisions about their finances, mostly because families may not know they need help, researchers say. “Individuals often aren’t diagnosed early enough, and it’s a perfect storm,” said study author Carole Gresenz, a professor of health systems administration at Georgetown University in Washington, D.C. “They’re vulnerable to large reductions in liquid assets because they’re not making wise decisions about their finances, savings and checking accounts. This can also reduce net wealth,” added Gresenz. Ruth Drew, director of information and support services for the Alzheimer’s Association, pointed out that Alzheimer’s destroys the brain. “As the disease progresses, everyone with Alzheimer’s will reach a point where they need help with their finances and ultimately assistance with daily tasks and around-the-clock care. We have certainly spoken to people whose finances were significantly affected,” she said. In some cases, people responsible for making major financial decisions, […]
New research finds that eye tracking tests can accurately detect people who have a form of mild cognitive impairment that predisposes them to Alzheimer’s disease. The direction of a person’s gaze can be a telltale sign of cognitive impairment. Alzheimer’s disease often evolves from mild cognitive impairment (MCI) — a small decline in memory and reasoning that is not serious enough to interfere with daily activities, but that is noticeable to the person who develops the condition. In fact, according to some studies, 46% of people with an MCI diagnosis go on to develop dementia within 3 years. By comparison, only 3% of adults of the same age experience Alzheimer’s in the same time span. However, MCI does not always develop into full blown dementia. It often remains stable and sometimes the symptoms disappear completely with the person reverting to a normal, healthy cognition. Experts have divided MCI into two forms: amnesic (aMCI) and nonamnesic (naMCI). The former describes impairment that predominantly affects memory, whereas the latter affects other cognitive skills. Having aMCI raises the risk of Alzheimer’s significantly more than naMCI. Detecting Alzheimer’s as early as possible improves a person’s brain health and may reduce their symptoms, especially if […]
Latest Alzheimer’s News SATURDAY, Aug. 31, 2019 (HealthDay News) — There are a number of things you can do to reduce your risk of Alzheimer’s disease, according to an expert. “People think Alzheimer’s is an entirely genetic disorder, but most often, it’s not,” said Dr. Charles Duffy, a neurologist at Penn State Health Milton S. Hershey Medical Center in Hershey, Pa. “The two biggest risk factors for developing Alzheimer’s are a person’s age and prior head injury, including trauma or strokes.” Diet and exercise can play a large role in preventing Alzheimer’s. People should walk for at least 60 minutes a day, three to five days per week, Duffy advised. “Eating fresh fruits and vegetables, nuts, fish and whole grains have a significant impact on delaying the onset and reducing the rate of progression of dementia,” he said in a Penn State news release. It’s also important to get enough sleep — seven to eight hours a night — and to stay mentally engaged by talking with friends and neighbors, reading, doing word puzzles and engaging in other mind-stimulating activities. A good relationship with a primary care doctor is also important, because it can also help you prevent or manage […]
Researchers have found that nilvadipine, a drug that doctors regularly use to treat hypertension, may help people with Alzheimer’s disease by increasing blood flow to the brain. New research suggests that a high blood pressure drug may slow down the progression of Alzheimer’s disease. Alzheimer’s disease is the most common form of dementia. This progressive disorder causes the degeneration and, ultimately, the death of brain cells. People with dementia experience cognitive decline, and have issues making judgments and performing everyday tasks. Dementia affects millions of people worldwide. According to Alzheimer’s Disease International, the number of people with dementia was close to 50 million n 2017, and the organization say this number will almost double every 20 years, reaching 75 million people by 2030. In the United States, Alzheimer’s disease is the sixth leading cause of death. Researchers have been looking for treatments to slow the progression of the disorder and recently found that the hypertension drug nilvadipine may have positive effects on the cerebral blood flow of those with Alzheimer’s disease. The results appear in the journal Hypertension. How nilvadipine affects cerebral blood flow Nilvadipine is a calcium channel blocker that leads to vascular relaxation and lowers blood pressure, and […]
What is galantamine, and how does it work (mechanism of action)? Galantamine is in a class of drugs called cholinesterase inhibitors that also includes tacrine (Cognex), donezepil (Aricept), and rivastigmine (Exelon). Cholinesterase inhibitors inhibit (block) the action of acetylcholinesterase, the enzyme responsible for the destruction of acetylcholine. Acetylcholine is one of several neurotransmitters in the brain, chemicals that nerve cells use to communicate with one another. Reduced levels of acetylcholine in the brain are believed to be responsible for some of the symptoms of Alzheimer’s disease. By blocking the enzyme that destroys acetylcholine, galantamine increases the concentration of acetylcholine in the brain, and this increase is believed to be responsible for the improvement in thinking. Galantamine was approved by the FDA in 2001. (The brand name of galantamine was changed in 2005 from Reminyl to Razadyne.) What brand names are available for galantamine? Razadyne, Razadyne ER Is galantamine available as a generic drug? GENERIC AVAILABLE: No Do I need a prescription for galantamine? Yes What are the uses for galantamine? Galantamine is an oral medication used to treat patients with Alzheimer’s disease, a form of dementia. What are the side effects of galantamine? The most frequent side effects seen with […]
Latest Alzheimer’s News THURSDAY, Feb. 6, 2020 (HealthDay News) — A breakthrough study has identified a class of natural gene variants that may protect against Alzheimer’s disease. For the study, researchers at University College London analyzed DNA from more than 10,000 people — half with Alzheimer’s and half without. The investigators found that these gene variants reduce the functioning of proteins called tyrosine phosphatases. These proteins impair the activity of a cell signaling pathway important for cell survival, explained the authors of the study published online Feb. 5 in the Annals of Human Genetics. The pathway could be a key target for drugs to treat Alzheimer’s, and the study authors said that the findings provide more evidence that other genes may be linked to one’s risk for the memory disorder. “These results are quite encouraging. It looks as though when naturally occurring genetic variants reduce the activity of tyrosine phosphatases, then this makes Alzheimer’s disease less likely to develop, suggesting that drugs which have the same effect might also be protective,” lead author David Curtis said in a college news release. He’s a professor of genetics, evolution and environment. Previous research in mice and rats suggested that inhibiting the function […]
Recent research has found that short daily practice of mind-body therapy may help alleviate some of the signs and symptoms that often precede dementia. Practicing an easy type of meditation daily may relieve some dementia symptoms. The researchers behind the new study assessed a group of older adults experiencing memory difficulties who practiced 12 minutes per day of music listening or simple yoga meditation for 12 weeks. Samples of their blood from before and after the 3 months of therapy revealed changes in levels of certain markers with associations to cell aging and Alzheimer’s disease. These changes also linked directly to improvements in subjective assessments of cognitive function, mood, sleep, and quality of life. Dr. Kim Innes, a professor at West Virginia University School of Public Health in Morgantown, led the study and is first author of the study paper, which features in the Journal of Alzheimer’s Disease. Blood markers as predictors of Alzheimer’s The team chose to measure a number of blood markers that “have emerged as possible predictors of cognitive decline and dementia.” These included telomere length, telomerase activity, and levels of certain beta-amyloid peptides with links to Alzheimer’s disease. Telomeres are “protective caps” that work to prevent […]
Latest Alzheimer’s News WEDNESDAY, July 31, 2019 (HealthDay News) — Even mild anemia — low levels of hemoglobin in the blood — may raise a person’s odds for Alzheimer’s disease and other types of dementia, a new study finds. The same Dutch research also found a correlation between heightened dementia risk and high blood levels of hemoglobin. “With around 10% of people over age 65 having anemia in the Americas and Europe, and up to 45% in African and southeast Asian countries, these results could have important implications for the burden of dementia,” noted study lead author M. Arfan Ikram, of Erasmus Medical Center in Rotterdam, the Netherlands. Hemoglobin is the protein in red blood cells that transports oxygen. The new study included more than 12,000 people averaging 65 years of age. None of the participants had dementia at the beginning of the research. Hemoglobin levels were measured at the start of the study and 6% of the participants were found to have anemia. The participants’ health was then tracked for an average of 12 years. During that time, 1,520 developed dementia, including 1,194 who were diagnosed with Alzheimer’s disease, according to the report published online July 31 in Neurology. […]
A large study concludes that atrial fibrillation does, indeed, raise the risk of dementia even in people who did not have a stroke and that anticoagulants may reduce this risk. An irregular heartbeat may be a sign of A-fib, which may, in turn, raise dementia risk. Atrial fibrillation (A-fib) is a condition in which the heart beats irregularly. More specifically, the atria of the heart — the chambers that receive blood and pump it out to the heart’s ventricles and the rest of the body — beat at an irregular rhythm. A-fib is the most common form of arrhythmia, affecting between 2.7 and 6.1 million adults in the United States. Previous research has shown that people with A-fib have a higher risk of dementia, and also that people can take blood thinners to reduce this risk. New research confirms that the above is true, even in people who never experienced a stroke. The new study is the largest of its kind ever conducted. Boyoung Joung, who is a professor of cardiology and internal medicine at Yonsei University College of Medicine in Seoul, Republic of Korea, is the leading author of the paper, which appears in the European Heart Journal. A-fib […]
Latest Alzheimer’s News MONDAY, Nov. 26, 2018 (HealthDay News) — An experimental Alzheimer’s disease vaccine shows promise in animal tests, and researchers say it could have the potential to reduce dementia cases by half. In mice created to develop Alzheimer’s, the vaccine triggered an immune response that reduced accumulation of two toxic proteins associated with the fatal brain disease. There was a 40 percent reduction in beta-amyloid proteins and up to a 50 percent reduction in tau proteins, with no harmful side effects, according to researchers at the University of Texas. But there’s a catch: While such tests showed positive results in mice, research on animals doesn’t always produce the same effects in humans. More study is needed. Still, the researchers remained optimistic. Reductions in these proteins could someday have significant benefits in people at risk for Alzheimer’s disease, said study senior author Doris Lambracht-Washington, of the UT Southwestern Medical Center Brain Institute in Dallas. “If the onset of the disease could be delayed by even five years, that would be enormous for the patients and their families,” she said in a center news release. “The number of dementia cases could drop by half.” Lead researcher Dr. Roger Rosenberg is […]
By Dennis ThompsonHealthDay Reporter Latest Alzheimer’s News WEDNESDAY, Aug. 21, 2019 (HealthDay News) — Could a pacemaker for the brain improve the memories of people with dementia or Alzheimer’s disease? New research suggests it might be possible one day: Electrical stimulation directed at key memory regions of the brain created intense flashbacks in some Alzheimer’s patients, including sensations of emotions, smells, taste and temperature. In one case, a patient suddenly recalled “an entire experience of being inebriated while drinking a margarita at a resort in Aruba,” researchers said. In another, a man had a vivid flashback of feeling very full after eating sardines on his front porch two decades previously. In fact, about half of the 42 Alzheimer’s patients in the clinical trial experienced electrically induced flashbacks from decades prior, stretching back as far as the Vietnam War era, said lead researcher Dr. Wissam Deeb, an assistant professor of neurology at the University of Florida. “These memory recollections were very vivid for some people,” Deeb said. “They were associated with a lot of emotional content when patients remembered them, because they were memories they hadn’t even thought of for such a long time.” Researchers cautioned that the deep brain stimulation […]
By Amy NortonHealthDay Reporter Latest Alzheimer’s News TUESDAY, March 12, 2019 (HealthDay News) — A long-running study questions the conventional wisdom that a healthy diet may help ward off dementia. European researchers followed more than 8,200 middle-aged adults for 25 years — looking at whether diet habits swayed the odds of being diagnosed with dementia. In the end, people who ate their fruits and vegetables were at no lower risk than those who favored sweets and steaks. The findings, published March 12 in the Journal of the American Medical Association, stand in stark contrast to many past studies. Those studies have linked heart-healthy diets to lower odds of mental decline and abnormalities in the brain that can foretell dementia. Currently, groups like the Alzheimer’s Association suggest that people adopt those diets as one potential way to stave off dementia. Most studies, though, have followed people for only a fairly short time — less than 10 years, said lead researcher Tasnime Akbaraly, from the French national research institute INSERM. This study is the first to look at diet quality starting in middle age and the long-term risk of dementia, explained Akbaraly. Her team found that 344 people were diagnosed with Alzheimer’s […]
In a new study, researchers have found that a bacterium largely responsible for gum disease also contributes to the development of Alzheimer’s disease. A bacterium involved in gum disease boosts Alzheimer’s toxicity. According to data from the National Institute of Dental and Craniofacial Research, 8.52 percent of adults between 20 and 64 years of age in the United States have periodontitis (gum disease). Gum disease is a widespread problem that can lead to more negative outcomes, from tooth loss to an increased risk of cancer. Now, emerging evidence suggests that one of the bacteria involved in periodontitis could also contribute to the accumulation of toxic proteins in the brain, which scientists have associated with the development of Alzheimer’s disease. These findings have emerged from a new study in mice that researchers from Cortexyme, Inc., a pharmaceutical company that aims to develop new therapeutics for Alzheimer’s disease, have conducted. The results of the research — whose lead author is Dr. Stephen Dominy, Cortexyme co-founder — appear in the journal Science Advances. “Infectious agents have been implicated in the development and progression of Alzheimer’s disease before, but the evidence of causation hasn’t been convincing,” notes Dr. Dominy. The bacterium that boosts brain […]
As interest in gut bacteria peaks, they are implicated in yet another condition. Researchers recently identified stark differences in levels of specific gut bacteria in people with dementia. A new study links changes in gut bacteria to dementia. Our bodies swarm with microscopic visitors. On our skin, in our mouths, deep in our lungs, and, of course, nestled in our digestive systems. The bacteria in the gut have long been known to assist the digestive process, but in recent years, it has become clear that they are involved in much, much more. With bacteria now implicated in conditions as diverse as diabetes and schizophrenia, we truly are in the age of the microbiome. Recently, researchers in Japan investigated whether gut bacteria might, one day, help in the diagnosis and even treatment of dementia. Dr. Naoki Saji, from the Center for Comprehensive Care and Research on Memory Disorders at the National Center for Geriatrics and Gerontology in Obu, Japan, led the team of scientists. The researchers will present their findings at the American Stroke Association’s International Stroke Conference 2019 in Honolulu, HI. Examining feces The researchers recruited 128 participants from their memory clinic. The average age was 74.2, and 59 percent […]
Latest Alzheimer’s News MONDAY, June 24, 2019 (HealthDay News) — Doctors often prescribe anticholinergic drugs for a variety of ills. But a new study suggests they may increase the risk of dementia in older patients. These medicines include everything from Benadryl (diphenhydramine) to certain antipsychotics and Parkinson’s meds. They’re used to treat a wide range of other conditions, including depression, chronic obstructive pulmonary disease, overactive bladder, allergies, and gastrointestinal disorders. Anticholinergic drugs help contract and relax muscles, and work by blocking acetylcholine, a chemical that transmits messages in the nervous system. But the new British study found that people aged 55 and older who took strong anticholinergic medications daily for three years or more had a 50% increased risk of dementia. “Our study adds further evidence of the potential risks associated with strong anticholinergic drugs, particularly antidepressants, bladder antimuscarinic drugs, anti-Parkinson drugs and epilepsy drugs,” said study author Carol Coupland. She works in the division of primary care at the University of Nottingham. Anticholinergics are known to cause short-term side effects — including confusion and memory loss — but it’s unclear if long-term use increases the risk of dementia. To find out, Coupland’s team examined the medical records of nearly […]
Latest Alzheimer’s News MONDAY, July 15, 2019 (HealthDay News) — Join a book club, take a cruise or just visit friends — new research supports the notion that social activities help stave off mental decline as you age. The study found that seniors with high levels of an Alzheimer’s-linked protein in their brains were able to slow any mental decline if they got out and socialized regularly. So, “social engagement may be an important marker of resilience” in older adults at risk of dementia, said senior author Dr. Nancy Donovan. She’s chief of geriatric psychiatry at Brigham and Women’s Hospital in Boston. In the study, researchers tracked data on 217 men and women aged 63 to 89. These seniors were all taking part in the Harvard Aging Brain Study, a trial aimed at identifying early signs of Alzheimer’s disease. Participants started the study with no evidence of mental decline, but some had high levels of amyloid beta protein, a hallmark of Alzheimer’s that can be detected in brain scans. The researchers assessed seniors’ levels of social engagement (such as spending time with friends and family, and doing volunteer work) and their mental (cognitive) function at the start of the study […]
As we age, we may experience a decline in our mental ability. A recent study has concluded that chronic inflammation in midlife might speed up this decline as we get older. Could influencing inflammation slow cognitive decline? The average age of the population of the United States is gradually increasing, so conditions of old age are moving into the spotlight. Growing older is associated with a progressive decline in average thinking abilities. However, it may only affect some people very mildly, while other individuals can develop significant cognitive deficits. Understanding the risk factors involved is of growing importance. We already know some risk factors; for instance, lower levels of physical activity, smoking, and obesity appear to increase the rate of decline. Recently, some scientists have turned their attention toward the potential role of inflammation. Inflammation and its consequences As a protective mechanism that prevents any damage to tissue, inflammation occurs in response to an infection or injury. However, if this acute inflammation continues for longer periods — which doctors call chronic inflammation — it can cause damage. Scientists have already linked inflammation to a range of health concerns, including cardiovascular disease, cancer, diabetes, and asthma. Could inflammation also have a […]
Scientists have uncovered a mechanism through which a toxic brain protein that is a hallmark of Alzheimer’s disease can damage neurons, or brain cells. New research uncovers the mechanism that leads to the progressive loss of brain cells that characterizes Alzheimer’s disease. The team at the Grenoble Institute of Neurosciences in France that made the discovery also suggests a potential way to disarm the mechanism during the early stages of the disease. The study concerns the functioning of dendritic spines, which are the tiny structures in the branching parts of brain cells that receive signals from other brain cells. It appears that beta-amyloid, a toxic protein that builds up in the brains of people with Alzheimer’s disease, triggers a mechanism that disrupts the functioning of dendritic spines. The mechanism disables a protein called cofilin 1, and the activity of this protein is crucial for the healthy functioning of dendritic spines. The Journal of Neuroscience has recently published a study paper on the research. It describes how the team used brain tissue samples from mouse models and people with Alzheimer’s disease to arrive at their findings. A key finding was that exposure to beta-amyloid peptides, which are the building blocks of […]
Latest Alzheimer’s News MONDAY, Dec. 17, 2018 (HealthDay News) — Lots of Americans will unwrap a scarf or sweater this holiday season. But a growing number will receive a gift that’s potentially life-changing: an at-home genetic testing kit. Home DNA testing yields clues to ancestry and, potentially, genetic risk for medical conditions. But there are a number of things you need to know before you use one of these kits, the Alzheimer’s Foundation of America says. “Genetic testing kits are a popular gift, but the test results can have implications that last long after the holidays,” Lori Frank said in a foundation news release. She’s on the foundation’s medical, scientific and memory screening advisory board. “As with any health decision, consumers should have the right information before deciding to take a genetic test,” Frank said. Because genetic testing has potentially positive and negative impacts, the foundation offers some tips: Be informed. “Some people find the results upsetting and are concerned about the emotional impact to relatives with similar genetic risk, while others feel empowered to proactively take better care of their own health. It’s important to consider all impacts beforehand,” said Dr. J. Wesson Ashford, chair of the medical, scientific […]
What brand names are available for rivastigmine? Exelon, Exelon Patch Is rivastigmine available as a generic drug? GENERIC AVAILABLE: Yes Do I need a prescription for rivastigmine? Yes What are the uses for rivastigmine? What are the side effects of rivastigmine? The most common side effects Exelon and Exelon Patch are: Dizziness Diarrhea Headache Stomach pain Vomiting Nausea Weight loss About one-half of patients who take Exelon and Exelon Patch develop symptoms of nausea, and about one-third vomit at least once, most commonly during the first few weeks of treatment as the dose is slowly increased. Between one in five and one in four patients lose weight during rivastigmine therapy (about 7 to 10 pounds, on average). One in six patients experiences a loss of appetite. About one in fifty patients develops dizziness. Overall, 15% of patients (between one in seven and one in six) discontinue therapy due to side effects. Serious side effects include: What is the dosage for rivastigmine? Exelon and Exelon Patch usually is taken twice daily with meals. Due to gastrointestinal side effects that can be seen early in therapy, rivastigmine therapy is generally started at a low dose. Exelon and Exelon Patch for treating dementia […]
By Alan MozesHealthDay Reporter Latest Alzheimer’s News THURSDAY, June 27, 2019 (HealthDay News) — Every college student misplaces keys or forgets an appointment from time to time. Usually it’s no big deal. But a new study warns that when young people with a family history of Alzheimer’s disease have memory lapses, it could be an early sign of something serious. That’s the concern raised by a new memory test taken by nearly 60,000 men and women between the ages of 18 and 85. The results revealed that participants between 18 and 65 who had family members with Alzheimer’s scored lower than those who did not. That included even young adults in their 20s. But, “no one should feel doomed to experience Alzheimer’s, certainly not simply because your parents or grandparents were diagnosed with the disease,” stressed study author Matt Huentelman. He is a professor of neurogenomics with TGen, a genetics research institute based in Phoenix. Lots of non-inherited factors play a role in Alzheimer’s risk, he explained. And, “there are many cases of people with family history and/or high genetic risk for Alzheimer’s who live long lives without memory problems.” But there’s no getting around the fact that roughly 75% […]
An existing blood thinner — used to prevent the formation of blood clots in people at risk of stroke — could help delay the development of Alzheimer’s disease, according to a new study in a mouse model. Could a common blood thinner help people with Alzheimer’s disease? Alzheimer’s disease is the most common form of dementia, a neurodegenerative condition in which people experience progressive memory loss. Some treatments can help people with Alzheimer’s disease manage this symptom and others to a certain extent. However, there is currently neither a cure nor a tried and true method of preventing the condition. This is why researchers worldwide continue to search for strategies and therapies that could at least delay the onset of Alzheimer’s symptoms. This is also what a team of investigators — many from the Centro Nacional de Investigaciones Cardiovasculares (CNIC), in Madrid, Spain, and The Rockefeller University, in New York — has recently investigated. In a new study, coordinated by Marta Cortés Canteli, Ph.D., the team has used a known anticoagulant, a drug that prevents blood clots, to slow the onset of Alzheimer’s disease symptoms in a mouse model. The researchers took this approach because previous studies have shown that […]
New research that aimed to highlight the potential of new technologies to diagnose disease has suggested that virtual reality may play a crucial role in monitoring Alzheimer’s disease. VR headsets may soon serve as a better alternative to standard testing for Alzheimer’s. Dementia is a general term to describe the impairment of cognitive functions such as memory, thinking, and communication. The cognitive decline associated with dementia is progressive, and people may go through different stages. Mild cognitive impairment (MCI) is an early stage of dementia, but some people with MCI do not develop Alzheimer’s disease. MCI can result from anxiety or normal aging, so it is important to establish the cause to evaluate the risk of dementia. Alzheimer’s is the most common type of dementia. According to the World Health Organization (WHO), about 50 million people in the world have dementia. Doctors diagnose dementia in around 10 million people every year, and 60–70% of these new diagnoses detect Alzheimer’s disease. Several cognitive tests can assess dementia, but recently, researchers have been exploring the potential of new technologies to monitor the condition. A new study from Cambridge University in the United Kingdom — the results of which now appear in the […]
Latest Alzheimer’s News By Dennis ThompsonHealthDay Reporter WEDNESDAY, Jan. 8, 2020 (HealthDay News) — Poor sleep has been linked to the development of dementia and Alzheimer’s disease, and now a new study suggests a possible reason why. A small group of young, healthy men deprived of just one night of sleep had higher blood levels of tau protein than when they had a full and uninterrupted night of rest, researchers reported in a study published online Jan. 8 in Neurology. “This is interesting as accumulation of the protein tau is seen in the brains of individuals afflicted by Alzheimer’s disease, or most common forms of dementia,” said senior study author Dr. Jonathan Cedernaes, a senior researcher at Uppsala University in Sweden. The researchers did not find any similar increase in amyloid beta, another brain protein long linked to Alzheimer’s, the Swedish researchers said. The new findings come as Alzheimer’s research has started to shift its focus towards tau as a more important cause of brain damage associated with the disease. Another group of researchers recently reported in the journal Science Translational Medicine that they can predict with reasonable accuracy which brain regions will wither and atrophy in Alzheimer’s by identifying […]
New research shows that a blood test for Alzheimer’s disease accurately detected levels of beta-amyloid protein in all stages of the condition, approaching “a level of accuracy that is usable in routine clinical care around the world.” Doctors could soon use a simple blood test to diagnose Alzheimer’s. The brain changes that lead to the symptoms of Alzheimer’s disease can occur decades before any other signs of the condition are noticeable. In fact, some recent studies have claimed that certain biochemical changes in the brain may occur up to 34 years before symptom onset. Detecting Alzheimer’s disease far enough in advance could make it easier for those affected to plan accordingly and begin treatment as early as possible. Beginning treatment for Alzheimer’s disease as soon as possible can maximize the effectiveness of the therapy. So, to be able to diagnose the condition as early as possible, researchers have been trying to come up with blood tests for Alzheimer’s disease. For instance, last year, a team of scientists developed a test that detected the protein beta-amyloid from blood samples using immuno-infrared sensor technology. Having a lot of this protein in the brain is a hallmark of Alzheimer’s. At the time, the […]
By Adam Townsend on 09/24/2019 2:47 PM Latest Alzheimer’s News Source: MedicineNet Health News About 90% of all humans are right-handed, so what’s the deal with the other 10%? Genetics play a big role, according to a new handedness study of hundreds of thousands of Brits published this month. The findings offer more than just gee-whiz trivia; the same genes governing which hand you prefer are also implicated in schizophrenia, Parkinson’s disease and Alzheimer’s disease. The study, published in the neurology journal Brain, could be a crucial step in determining causes, risk factors and treatments for these neurological disorders. The study looked at more than 400,000 people ages 40-69 selected from the UK Biobank. The Biobank is a British nonprofit that tracks the health of more than half a million people specifically to aid medical research. Study authors looked at genotypes for participants, as well as brain image scans of about 9,000 participants and other data to determine the results. The researchers said several genes seem to generate a hand preference. Furthermore, those genes generate that preference by coding for a stronger connection between functional centers in the left and right halves of the brain. The authors concluded the genes […]
The blood-brain barrier is a protective layer that surrounds the brain. Its main function is to prevent potentially harmful agents from leaking into this organ. However, it can also stop certain therapeutic drugs from reaching their target. Using ultrasound in new ways could open the door to better treatments for conditions that affect the brain. The blood-brain barrier prevents antitumor drugs and those that fight the symptoms of neurological conditions such as Alzheimer’s disease from reaching the brain and doing their work. Scientists can address this issue by temporarily bypassing the blood-brain barrier by using low-frequency ultrasound pulses. So far, they have only experimented with long-wave ultrasound pulses. However, these can bring on side effects, such as brain tissue damage and prolonged exposure to harmful molecules penetrating the blood-brain barrier alongside the drugs. Now, research conducted at Imperial College London in the United Kingdom suggests that a new approach to ultrasound disruption of the blood-brain barrier may work better and cause fewer problems. The team — led by James Choi, Ph.D. — is focusing on the use of shorter-wave ultrasound pulses, which the scientists have recently tested in mouse models. Following the new research, the results of which appear in […]
Men who follow a healthful diet could be protecting their brains, according to a new study that tracked a large group of men for more than 2 decades. Leafy greens and red and orange vegetables correlated with reduced memory loss in a new study. Researchers from the Harvard T.H. Chan School of Public Health in Boston, MA, analyzed data from a study that had followed 27,842 men for 26 years. The men had all filled in detailed surveys about their food and drink intake at the start of the study in 1986 — when they were aged 51 years, on average — and then every 4 years until 2002. The follow-up lasted until 2012, by which time their average age was in the mid- to late-70s. During the last few years of the follow-up, they had also completed short tests to find out whether they had noticed any decline in their own ability to think and remember things. The analysis showed that consuming higher amounts of certain foods and drinks was tied to lower risk of decline in memory and thinking skills. The foods that most strongly showed this effect were leafy greens, red and dark orange vegetables, berry fruits, […]
(HealthDay News) — Mild memory issues are common from time to time, especially as you age, the U.S. Food and Drug Administration says. Latest Alzheimer’s News The agency says anything that affects the processes of thinking and learning can affect memory. It mentions these common causes of memory loss: Certain drugs can interfere with memory, including over-the-counter and prescription sleeping pills, antihistamines, anti-anxiety medications, antidepressants, schizophrenia medications and pain medicines. Heavy alcohol use can cause a deficiency in vitamin B1, which can affect memory. Stress, particularly because of emotional trauma, can trigger memory loss. Depression may trigger a lack of attention and focus that can affect memory. A blow to the head can trigger memory loss. People with HIV, tuberculosis, syphilis, herpes and other infections affecting the brain may have memory problems. An underactive or overactive thyroid can impact memory. Lack of quality sleep can affect memory. Deficiencies of vitamins B1 or B12 can affect memory. Copyright © 2018 HealthDay. All rights reserved.
Latest Alzheimer’s News FRIDAY, June 7, 2019 (HealthDay News) — People with Alzheimer’s disease who take opioid painkillers are more likely to develop pneumonia, Finnish researchers report. The overall odds are 30% higher, especially in the first two months of use, the researchers found. And the risk is highest for those taking strong opioids such as oxycodone or fentanyl. However, pneumonia risk also rose among Alzheimer’s patients who took milder opioids, according to the team from the University of Eastern Finland. Why might this be? Aleksi Hamina, a researcher in the university’s School of Pharmacy, and colleagues explained that opioids can impair the cough reflex, interfere with normal respiratory function, and cause sleepiness and fatigue. All of these factors could increase pneumonia risk, the study authors said. For their study, the investigators analyzed data collected in 2010 and 2011 from more than 5,600 Alzheimer’s patients in Finland. Patients who used opioids were matched with Alzheimer’s patients who were not prescribed the drugs. The findings were published recently in the Journal of Alzheimer’s Disease. It is often difficult to assess pain among Alzheimer’s patients due to problems with communication, the researchers explained in a university news release. So if opioid painkillers […]
By Serena GordonHealthDay Reporter Latest Alzheimer’s News TUESDAY, Oct. 15, 2019 (HealthDay News) — Dealing with the agitation, anxiety and aggression that often come with dementia is one of the most challenging aspects of caring for someone with this brain disorder. But new research suggests that massage and other non-drug treatments may be more effective than medications. Even just taking people with dementia outdoors can help, said study author Dr. Jennifer Watt, a geriatrician and clinical scientist at the Li Ka Shing Knowledge Institute at St. Michael’s Hospital-Unity Health in Toronto. “The bottom line from our study is that non-medication based therapy and multidimensional care seem to be better than medications for treating the symptoms of aggression and agitation in persons with dementia,” she said. Dementia, a progressive loss of thinking and memory skills, affects 50 million people worldwide. Up to three-quarters have behavioral and psychological symptoms. People with such symptoms often need institutionalized care sooner. Health care professionals rely on several medications to lessen symptoms of agitation and aggression, but these medications carry significant risks. One, ironically, is worsening memory and thinking, the researchers said. Some medications — such as anti-psychotics — may do little to control symptoms, according […]
Latest Alzheimer’s News WEDNESDAY, March 27, 2019 (HealthDay News) — A dementia study has led researchers to a brain region that processes spoken, not written, words. Northwestern University researchers worked with four patients who had a rare type of dementia called primary progressive aphasia (PPA), which destroys language. Although able to hear and speak, they could not understand what was said out loud. However, they could still process written words. For example, if they read the word “hippopotamus,” they could identify a picture of a hippo. But if someone said the word “hippopotamus,” they couldn’t point to its picture. Through their tests with these patients, the researchers were able to identify an area in the left brain that appears specialized to process spoken words. “We always think of these degenerative diseases as causing widespread impairment, but in early stages, we’re learning that neurodegenerative disease can be selective with which areas of the brain it attacks,” said senior author Sandra Weintraub. She’s a professor of psychiatry and behavioral sciences and neurology at Northwestern’s Feinberg School of Medicine in Chicago. “The fact that only the auditory words were impaired in these patients and their visual words were untouched leads us to believe […]
By Dennis ThompsonHealthDay Reporter Latest Alzheimer’s News WEDNESDAY, Feb. 20, 2019 (HealthDay News) — You need to exercise both your brain and your body during middle age to guard against dementia as you grow older, a new, long-term study suggests. Keeping mentally active through activities like reading, playing music, sewing or painting reduces your overall risk of both dementia and Alzheimer’s disease, according to the report. At the same time, staying physically active appears to protect you against types of dementia linked to unhealthy blood vessels, including vascular dementia and mixed dementia. “We found that higher levels of mental and physical activity in midlife, independently, reduced the risk of dementia,” said lead researcher Dr. Jenna Najar. She is a doctoral student with the University of Gothenburg’s Center for Aging and Health in Molndal, Sweden. Najar said that means that if you just focus on mental activities, you are losing out on the brain benefits from regular physical exercise — and vice versa. “When we studied the effect on different dementia subtypes, we found that higher levels of mental activity in midlife reduced the risk of Alzheimer’s disease, regardless of how physically active the women were,” Najar said. “Higher levels of […]
What is donepezil, and how does it work (mechanism of action)? Donepezil is an oral medication used to treat Alzheimer’s disease. It belongs to a class of drugs called cholinesterase inhibitors that also includes tacrine (Cognex). Scientists believe that Alzheimer’s disease may result from a deficiency in chemicals (neurotransmitters) used by nerves in the brain to communicate with one another. Donepezil inhibits acetylcholinesterase, an enzyme responsible for the destruction of one neurotransmitter, acetylcholine. This leads to increased concentrations of acetylcholine in the brain, and the increased concentrations are believed to be responsible for the improvement seen during treatment with donepezil. Donepezil improves the symptoms but does not slow the progression of Alzheimer’s disease. Donepezil was approved by the FDA in 1996. What brand names are available for donepezil? Aricept, Aricept ODT Is donepezil available as a generic drug? Yes Do I need a prescription for donepezil? Yes What are the uses for donepezil? Donepezil is used for the treatment of mild, moderate, or severe dementia associated with Alzheimer’s disease. What are the side effects of donepezil? The most common side effects associated with donepezil are: headache, generalized pain, fatigue, dizziness, nausea, vomiting, diarrhea, loss of appetite, weight loss, muscle cramping, […]
An international working group of experts has agreed on guidelines to help increase scientific and public awareness about a brain condition that mimics Alzheimer’s disease. The condition is not new but has come to light in recent research and clinical trials. Researchers have identified a misfolded protein in the brain that may be ‘a possible Alzheimer’s mimic.’ Scientists have recently recognized Limbic-predominant Age-related TDP-43 Encephalopathy (LATE) as a “newly named pathway to dementia.” The working group consists of scientists from a number of centers that receive support from the National Institutes of Health (NIH), together with colleagues from other countries. The experts suggest that the public health impact of LATE on people in their mid-80s and older is probably about the same, if not bigger, than that of Alzheimer’s disease. In a report that now features in the journal Brain, the group proposes the first definition of LATE and recommends guidelines for those who are concerned with diagnosis and furthering research. Richard J. Hodes, M.D., who is director of the National Institute on Aging (NIA), which forms part of the NIH, says that even though researchers working on Alzheimer’s disease are making progress, they still ask themselves: “When is Alzheimer’s […]
Latest Alzheimer’s News SUNDAY, Nov. 3, 2019 (HealthDay News) — It happens to everyone: A familiar song comes on the radio, and suddenly you recall every note and every word. Now, new research has pinpointed exactly how long it takes people to recognize that favorite tune — just 0.1 to 0.3 seconds. The study included five men and five women who each provided a list of five familiar songs that they associated with good memories. The researchers then chose one of each participants’ songs and matched it with a song that was similar in tempo, melody, harmony, vocals and instrumentation, but was unfamiliar to the participant. Each participant was randomly played 100 snippets (each less than a second) of both the familiar and unfamiliar song. The researchers monitored the participants’ electrical activity in the brain and their pupil diameter (a measure of arousal) while they listed to the song snippets. Song recognition was first revealed by pupil dilation likely associated with increased arousal triggered by the familiar song, followed by brain activity related to memory retrieval, according to the study published online Oct. 30 in the journal Scientific Reports. A “control group” of people unfamiliar with any of the songs […]
It is natural for a person’s memory and thinking abilities, or cognitive function, to wane as they age — even if they are in good health. However, the rate of cognitive decline can speed up if they experience heart attack or angina, according to new research. Cognitive decline may speed up after a heart attack or angina. Studies that have explored the links between circulation problems and cognitive decline have tended to focus on conditions that affect the blood supply to the brain, such as stroke. Few of these earlier studies, however, have looked at the long-term links between incident coronary heart disease (CHD), such as heart attack and angina, and cognitive decline. The recent Journal of the American College of Cardiology study is unique; it tracked cognitive decline both before and after incident CHD. “Incident CHD,” its authors conclude, “is associated with accelerated cognitive decline after, but not before, the event.” They suggest that the findings highlight the long-term relationship between cognitive decline and CHD. Lead and corresponding study author Wuxiang Xie, Ph.D., says that because there is not yet a cure for dementia, it is important to detect and treat the brain condition as early as possible in […]
Brain atrophy refers to a loss of brain cells or a loss in the number of connections between brain cells. People who experience brain atrophy typically develop poorer cognitive functioning as a result of this type of brain damage. There are two main types of brain atrophy: focal atrophy, which occurs in specific brain regions, and generalized atrophy, which occurs across the brain. Brain atrophy can occur as a result of the natural aging process. Other causes include injury, infections, and certain underlying medical conditions. This article describes the symptoms and causes of brain atrophy. It also outlines the treatment options available in each case, as well as the outlook. Brain atrophy can affect one or multiple regions of the brain. The symptoms will vary depending on the location of the atrophy and its severity. According to the National Institute of Neurological Conditions and Stroke, brain atrophy can cause the following symptoms and conditions: Seizures A seizure is a sudden, abnormal spike of electrical activity in the brain. There are two main types of seizure. One is the partial seizure, which affects just one part of the brain. The other is the generalized seizure, which affects both sides of the […]
A new, long-term study finds that midlife obesity raises the risk of dementia in women. However, calorie intake and physical inactivity do not. Share on PinterestObesity in midlife may raise a woman’s risk of dementia later on, new research suggests. Sarah Floud, Ph.D., of the Nuffield Department of Population Health at the University of Oxford in the United Kingdom, is the lead author of the study. As Floud and her colleagues explain in their paper, some previous studies have found an association between a low body mass index (BMI) and the likelihood of receiving a diagnosis of dementia within the next 5–10 years. Other studies that lasted a decade or less have also linked poor diet and lack of exercise with the incidence of dementia. However, all of the above may be the result of reverse causality, meaning that they may be consequences, rather than causes, of dementia. This situation could well be possible, explain the authors, because dementia typically affects cognition a decade before the person formally receives a diagnosis. During this preclinical stage, the condition can slowly but gradually affect behavior, impair mental and physical activity, reduce the intake of food and calories, and cause weight loss. Furthermore, […]
Latest Alzheimer’s News FRIDAY, March 1, 2019 (HealthDay News) — The largest study to date of the genetic underpinnings of Alzheimer’s has uncovered five new gene mutations that make people more vulnerable to the memory-robbing disease. The international team of scientists analyzed the DNA of more than 94,000 people collected by the four groups that make up the International Genomic Alzheimer’s Project. “The ability to combine data from so many research groups gave us the power to detect new links to the causes of Alzheimer disease,” said study co-lead author Brian Kunkle. He is an associate scientist at the University of Miami’s John P. Hussman Institute for Human Genomics. Margaret Pericak-Vance, director of the institute, added that “this is an exciting time to be studying Alzheimer disease” — the most common cause of dementia in the elderly. “Genes contain the body’s instruction manuals, and we now have a much better understanding of how to read the instructions related to Alzheimer disease as the initial step to translation to clinical care,” she explained in a University of Miami news release. Learning more about how the five gene variants influence Alzheimer’s risk could improve knowledge on how the disease begins and provide […]
Latest Alzheimer’s News WEDNESDAY, Sept. 11, 2019 (HealthDay News) — Sleep loss is a problem for people who care for loved ones with dementia, which can put both caregivers and patients at risk, researchers say. Investigators at Baylor University in Waco, Texas, found caregivers lost between 2.5 to 3.5 hours of sleep a week due to difficulty falling asleep and staying asleep. “Losing 3.5 hours of sleep per week does not seem much, but caregivers often experience accumulation of sleep loss over years,” said review lead author Chenlu Gao, a doctoral candidate of psychology and neuroscience. “Losing 3.5 hours of sleep weekly on top of all the stress, grief and sadness can have a really strong impact on caregivers’ cognition, and mental and physical health,” Gao added in a university news release. But improving caregivers’ sleep quality can significantly improve their functioning and quality of life, Gao said. For example, the researchers found that caregivers’ sleep noticeably improved after simple changes such as getting more morning sunlight, establishing a regular and relaxing bedtime routine, and doing moderate physical exercise. Chronic stress can cause sleep problems, and nighttime awakenings by people with dementia can also disrupt caregivers’ sleep, the researchers noted. […]
The symptoms of frontotemporal, or early onset, dementia can appear as early as age 40. Have researchers found a new way to treat this condition using antibiotics? Frontotemporal dementia, or frontotemporal lobar dementia, is an umbrella term that refers to a range of early onset dementias characterized by the progressive atrophying of the brain’s frontal lobes, temporal lobes, or both. The main symptoms in this form of dementia are cognitive function impairments and personality and behavioral changes. These can appear as early as age 40. Researchers explain that frontotemporal dementia is usually heritable, and they tie most cases to specific DNA mutations. Now, scientists at the University of Kentucky’s College of Medicine in Lexington — in collaboration with colleagues from other research institutions — have studied the mutated genes associated with frontotemporal dementia. They wanted to determine whether or not anything can prevent these genes from triggering the condition. In their new study, the findings of which appear in the journal Human Molecular Genetics, the researchers focused on one specific gene mutation. Fighting a key mutation with antibiotics? The study authors explain that, among others, a key player in this form of early onset dementia is a mutation in the […]
Research has linked a particular sleep disorder called rapid eye movement (REM) sleep behavior disorder with a diagnosis of Parkinson’s disease. What characterizes this sleep problem, and can its presence be a good way to predict Parkinson’s risk? People who experience a sleep disorder that causes them to act out their dreams have a high risk of developing Parkinson’s disease. Data from the National Institutes of Health (NIH) indicate that every year, approximately 50,000 people in the United States learn that they have Parkinson’s disease, a neurological condition that affects a person’s motor function and exposes them to other neurodegenerative problems, such as Alzheimer’s disease. Researchers still do not fully understand exactly what causes Parkinson’s disease, but they have identified a few risk factors that can predispose a person to develop this condition. These include a person’s age and sex as well as some genetic factors. Still, it remains a challenge to establish early on who is likely to develop Parkinson’s disease at some point in their life. However, a team of researchers from McGill University in Montreal, Canada decided to see if one particular factor — a sleep disorder called REM sleep behavior disorder (RBD) — could be a […]
By Steven ReinbergHealthDay Reporter Latest Alzheimer’s News WEDNESDAY, Jan. 16, 2019 (HealthDay News) — Staying active in old age may help preserve your memory and thinking skills, a new study suggests. In fact, older people who were physically active kept their minds sharp, even if their brains showed signs of lesions or other markers linked to Alzheimer’s disease or other dementias, researchers found. “Physical activity may provide cognitive reserve” that helps preserve the brain even in the face of dementia, said lead researcher Dr. Aron Buchman. He’s professor of neurology at Rush University Medical Center in Chicago. Lifestyle appears to play a major role in keeping the mind sharp as we age, he said. Other studies have found that keeping socially and mentally active also improves mental skills. “Together, these suggest that a more active lifestyle, including physical, cognitive and social activities, may help maintain cognition in older adults,” Buchman said. Buchman said he doesn’t know how these factors protect the brain, what kind of exercise is best, or how much is protective. Only an association was seen in the study, and more research is needed. “Even if we don’t have treatments for Alzheimer’s disease, there’s a benefit to having […]
Could taking good care of gums and teeth also help to protect the brain? A recent study has added to growing evidence of a link between severe gum disease, or periodontitis, and a raised risk of dementia. New research suggests that keeping your gums healthy may prevent dementia. Using data from an extensive national health insurance screening program, investigators from Seoul National University in South Korea examined the relationship between chronic periodontitis and dementia. In a paper that now features in the Journal of the American Geriatrics Society, the researchers describe how they found a modest link between severe gum disease and dementia, which is consistent with some previous studies. The researchers also point out that their “retrospective cohort study” is likely the first to establish that lifestyle factors, such as alcohol consumption, smoking, and exercise, did not appear to have any effect on the connection. The term dementia describes a decline in mental capacity – such as increasing difficulty with memory and reasoning – that becomes so severe that it disrupts daily living. Alzheimer’s disease is the most common cause of dementia. Need to reduce dementia risk factors A joint 2012 report by the World Health Organization (WHO) and […]
A global study on attitudes toward dementia has shown that two-thirds of people believe it to be a natural risk of getting older, which could be limiting the help that people seek. The vast majority of people believe that they will develop dementia and that they can do little about it, new research finds. Every 3 seconds, someone develops dementia somewhere in the world. In the United States alone, 5.8 million people are living with Alzheimer’s, and every 65 seconds, another person develops the disease. Alzheimer’s is the sixth leading cause of death in the U.S., beating breast and prostate cancer together, and it is one of the world’s fastest growing causes of death. According to Alzheimer’s Disease International (ADI), the number of people living with dementia is likely to triple from the current 50 million to 152 million by 2050. Despite the prevalence of this neurodegenerative disorder, the world’s largest survey of attitudes toward it has shown that there is very little true understanding across the globe, even among healthcare professionals. The study, which surveyed 70,000 people in 155 countries, found that 62% of healthcare professionals also believe that dementia is a normal part of aging. The findings also […]
There is no doubt that smoking damages health and increases the risk of many diseases and premature death. However, a study that followed hundreds of older adults for more than 10 years found no link between tobacco smoking and raised dementia risk. A new study suggests there is no causal link between smoking and the risk of developing dementia. Dementia is the general name for conditions that diminish the capacity to think, remember, reason, and interact with others. These symptoms can progress to the point that people are no longer able to carry out their daily activities and take care of themselves. The recent finding contradicts many earlier studies that have tied smoking to higher risk of dementia. This could be because, for the new investigation, researchers from the University of Kentucky in Lexington analyzed the data in a different way. They used a statistical method called “competing risk analysis” to allow for the strong effect that smoking has on risk of death. In a paper that now features in the Journal of Alzheimer’s Disease, first study author Erin L. Abner Ph.D., an associate professor in the university’s Sanders-Brown Center on Aging, and her colleagues describe their approach and findings. […]
By Dennis ThompsonHealthDay Reporter Latest Alzheimer’s News TUESDAY, March 12, 2019 (HealthDay News) — Dementia appears to strike people of different races in different ways, brain autopsies have revealed. Hispanic and black people are more likely to suffer from dementia that’s caused in part by micro-strokes or hardening of the arteries that serve the brain, researchers report. On the other hand, whites are more likely to have dementia caused by “pure” Alzheimer’s disease, in which abnormalities like protein plaques and tangles damage the ability of brain cells to communicate with each other, said study co-author Brittany Dugger. She’s an assistant professor with the University of California, Davis, Alzheimer’s Disease Center. “We found that Hispanics and African-Americans are more likely to have mixed pathologies, a combination of Alzheimer’s disease and cerebrovascular disease,” Dugger noted. Minority groups in the United States are overall more likely to develop dementia, said Keith Fargo, director of scientific programs and outreach for the Alzheimer’s Association. Best estimates hold that blacks are about twice as likely as whites to suffer from dementia, and Hispanics are one and a half times more likely, Fargo said. This study provides fresh hope for preventing dementia in those groups, potentially narrowing […]
Latest Alzheimer’s News WEDNESDAY, May 29, 2019 (HealthDay News) — New research delivers fresh hope for everyone who struggles with a fading memory: Neurons continue to form well into old age, even in people with mental impairments or Alzheimer’s disease. “We found that there was active neurogenesis [new neurons forming] in the hippocampus of older adults well into their 90s,” said study author Orly Lazarov, a professor of anatomy and cell biology at the University of Illinois at Chicago. “The interesting thing is that we also saw some new neurons in the brains of people with Alzheimer’s disease and cognitive [thinking] impairment,” she added in a university news release. The findings could lead to new treatments for mental decline in older adults, the researchers said. In the study, Lazarov and her colleagues examined hippocampus tissue from the brains of 18 people, average age 90.6 years, after they died. The hippocampus is involved in the formation of memories and in learning. On average, there were about 2,000 neural stem cells and 150,000 developing neurons in each brain. While people with mental impairments and Alzheimer’s disease did have new neurons, their levels were significantly lower than in people with normal brain function, […]
A new drug for treating Alzheimer’s disease has successfully passed the first phase of testing in humans. Preclinical studies had already shown that the drug could improve memory and other symptoms of Alzheimer’s disease in older mice. A potential treatment for Alzheimer’s moves a step closer. Researchers at Forschungszentrum Jülich and Heinrich Heine University Düsseldorf, both in Germany, developed the candidate drug, which, for now, bears the name PRI-002. PRI-002 eliminates toxic beta-amyloid oligomers, the self-replicating proteins that scientists suspect of causing and advancing Alzheimer’s disease. The team had previously shown that the drug could significantly reduce signs and symptoms in older mice that were genetically engineered to develop an Alzheimer’s-like disease through the insertion of a mutant human gene. That preclinical study featured online in 2018 in the journal Molecular Neurobiology. In the ensuing, recently completed phase 1 clinical trial, healthy volunteers took daily dosages of PRI-002 for 4 weeks. The results show that the drug is safe for human use. Passing this stage of testing in humans means that the candidate drug can now proceed to a phase 2 trial to evaluate its effectiveness in people with Alzheimer’s disease. “Our next goal is the proof of efficacy in […]
By Steven ReinbergHealthDay Reporter Latest Alzheimer’s News MONDAY, Nov. 18, 2019 (HealthDay News) — Concerns that cholesterol-lowering statin drugs can impair brain health appear to be unfounded, according to new research. “Statins won’t make you stupid or cause memory loss,” said lead researcher Dr. Katherine Samaras, a professor of medicine at St. Vincent’s Clinical School of Medicine in Darlinghurst, Australia. And for some people at risk of dementia, statins like Lipitor (atorvastatin) and Crestor (rosuvastatin) may improve memory and mental functioning, her team found. Many millions of people take statins because of heart disease or high cholesterol. But reports that the drugs could cause memory loss led the U.S. Food and Drug Administration in 2012 to require a black box warning on all statin medications, she said. However, “we could find no overall impact on memory or any other aspect of cognitive function over six years in a large population of older people, who had extensive testing every two years,” Samaras said. The observational nature of this study means the research can’t be considered conclusive, only that a strong link exists, the researchers noted. “Any person who takes statins and is concerned about their memory and cognition should discuss this […]
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A new study finds that people with Alzheimer’s disease who also took antidiabetes medication exhibited fewer molecular markers of the neurological condition. These findings could inform future Alzheimer’s treatments. A study examined the molecular pathways of brain tissue and the cells that line the inside of blood vessels in the brains of people with Alzheimer’s and diabetes. New research — led by Vahram Haroutunian, Ph.D., a professor of psychiatry and neuroscience at the Icahn School of Medicine at Mount Sinai in New York City, NY — analyzed the brain tissues of people who had both Alzheimer’s disease and diabetes. The findings suggest that antidiabetes drugs may protect the brain against Alzheimer’s. As Prof. Haroutunian and colleagues explain in their paper, a mounting body of evidence has been pointing to a link between the risk of mild cognitive impairment, dementia, and type 2 diabetes. Additional studies have uncovered an association between an insulin receptor pathway in the brain and the accumulation of Alzheimer’s-specific brain pathologies. Previous studies conducted by the same Prof. Haroutunian and colleagues found that the brains of people with Alzheimer’s who had also undergone treatment for diabetes, such as insulin or antidiabetes medicine, had reduced brain pathologies. So, […]
Previous research suggested that hearing loss and abnormalities in the eye are tied to memory loss and a higher Alzheimer’s risk. New evidence now indicates that addressing hearing and sight problems can slow down cognitive decline. Opting for hearing aids and cataract surgery can make a big difference when it comes to slowing down cognitive decline. Existing studies have pointed out that there is a link between the quality of a person’s hearing and their eye health and their exposure to cognitive decline. For instance, one such study covered on Medical News Today suggested that poor hearing may correlate with a poor memory. Another one proposed that we could detect Alzheimer’s disease by looking for tell-tale abnormalities in a person’s eyes. Now, two new papers — each based on studies conducted by the same scientists from the University of Manchester in the United Kingdom — look at the evidence indicating that treating hearing loss and eyesight problems can slow down the development of cognitive decline. One of the papers, published in the journal PLOS One, shows that people who have had surgery for cataract — which is condition that can lead to vision loss in the absence of a surgical […]
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