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What to know about reduced blood flow to the brain

What to know about reduced blood flow to the brain

Vertebrobasilar circulatory disorders are conditions that cause reduced blood flow to the back of the brain. Symptoms of restricted blood flow to the back of the brain, also called vertebrobasilar insufficiency, include dizziness and slurred speech. If something stops or disrupts blood flow to an area of the body, it is known as ischemia. When […]

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Serotonin enhances learning, not just mood

Serotonin enhances learning, not just mood

The neurotransmitter serotonin is linked to the control of mood, though it also helps to regulate various other functions, such as sleep and sexual desire. New research has uncovered another role played by serotonin: boosting learning speed. Serotonin, a neurotransmitter that is key to the regulation of emotions, also plays a role in learning processes. […]

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Brain tingling sensation ‘ASMR’ may benefit health

Brain tingling sensation ‘ASMR’ may benefit health

Autonomous sensory meridian response (ASMR) describes the pleasurable tingling sensation that some people experience in response to stimulating videos, activities, or sounds. Now, new research suggests that ASMR lowers heart rate and improves overall health and well-being. ASMR is described as a ‘brain tingling’ sensation that starts at the crown of the head and then […]

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What causes internal vibrations?

What causes internal vibrations?

Internal vibrations, also known as internal tremors, are symptoms that occur most commonly in people with Parkinson’s disease, multiple sclerosis, or essential tremor. Internal tremors are not harmful, but they be can be worrying and may interfere with a person’s daily life. Internal tremors are shaking sensations felt inside the body. They occur without visible […]

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Brain’s ‘support cells’ play active role in memory and learning

Brain’s ‘support cells’ play active role in memory and learning

New research provides further evidence that glial cells do more than support and nourish neurons, which were traditionally said to be the cells responsible for brain functioning. Astrocytes do more than just support neurons (depicted here). It appears that glial cells called astrocytes — so-called because they are shaped similarly to stars — play an […]

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Rheumatoid arthritis: How chronic inflammation affects the brain

Rheumatoid arthritis: How chronic inflammation affects the brain

A recent study demonstrates how the chronic inflammation that characterizes rheumatoid arthritis affects the brain. The results may explain the cognitive symptoms described as “brain fog.” Using MRI (shown here), researchers examined how rheumatoid arthritis inflammation changes the brain. More than 1.3 million people in the United States live with rheumatoid arthritis. This is an […]

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What does it mean if you have shaky hands?

What does it mean if you have shaky hands?

Tremors in the hands can occur without a cause or as a symptom of an underlying condition. Shaky hands is not a life-threatening symptom, but it can have an impact on daily activities. Most people have a slight tremor in the hands, and it may be especially noticeable when holding the hands straight out in […]

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What is Evekeo?

What is Evekeo?

Evekeo is an amphetamine medication that is used to treat narcolepsy, ADHD, and obesity. Evekeo is a trade name for this formulation of amphetamine sulfate. There is no generic name, because the formulation of amphetamine is not currently available as a generic drug. It is a schedule II controlled substance because it has the potential […]

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Everything you need to know about facial tics

Everything you need to know about facial tics

A facial tic is an involuntary, uncontrolled spasm in the facial muscles. The tic is unwanted and generally occurs regularly enough to be a nuisance to the person who experiences it. A person can hold in a tic temporarily, in a similar way to holding in a sneeze, but doing so often makes the person […]