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What causes pupils of different sizes?

What causes pupils of different sizes?

Pupils, or the black parts at the center of the eyes, change size to regulate the amount of light entering the eye. Pupils are large in the dark to let more light in and small in bright light. Usually, the pupils in each eye dilate or constrict at the same time. When they do not, […]

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Medical conditions that cause muscle wasting

Medical conditions that cause muscle wasting

Muscle wasting is a loss of muscle mass due to the muscles weakening and shrinking. There are several possible causes of muscle wasting, including certain medical conditions, such as amyotrophic lateral sclerosis. The symptoms of muscle wasting depend on the severity of muscle mass loss, but typical signs and symptoms include: reduced muscle strength an […]

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Common acne drug could prevent artery hardening

Common acne drug could prevent artery hardening

The depositing of calcium, or calcification, helps to harden tissues in the body. Tissue hardening is essential for healthy bone development, but it can cause health problems when it occurs in arteries. An antibiotic widely used to treat acne holds the promise of preventing the hardening of arteries, according to a new study. Stiff, or […]

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Human brains have evolved to ‘prefer’ music and speech

Human brains have evolved to ‘prefer’ music and speech

What makes humans so different from other primates? Though our brains are similar, it seems that they react differently to various stimuli. New evidence suggests that human brains “listen” for musical pitch, a preference that scientists have not detected in monkeys. Human brains have a particular ‘bias’ for music and speech, a new study shows. […]

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Heart disease death: ‘White coat hypertension’ may double risk

Heart disease death: ‘White coat hypertension’ may double risk

New research suggests that untreated ‘white coat hypertension’ may be a major risk factor for heart disease and heart disease-related death. Blood pressure may spike when a doctor performs the reading. White coat hypertension describes a disorder in which a person develops high blood pressure only in the presence of doctors. Some doctors and researchers […]

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Undetected diabetes may double risk of heart attack, periodontitis

Undetected diabetes may double risk of heart attack, periodontitis

New research finds an intriguing link between undetected blood sugar disorders and the development of heart attacks and severe gum disease. Undetected blood sugar disorders may heighten the risk of heart attacks and periodontitis. Previous research has pointed to a connection between periodontitis — a chronic condition that affects the gums and bones that support […]

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They Thought It Was a Brain Tumor — But It Was a Worm

TUESDAY, June 11, 2019 (HealthDay News) — In January 2018, Rachel Palma started experiencing mysterious symptoms like hallucinations and spasms in her right hand. Some days she was fine. But her symptoms got worse. Latest Infectious Disease News “I was no longer able to process the fact that a key opens the door, the now […]

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Gene Test Might Someday Gauge Your Heart Attack Risk

Gene Test Might Someday Gauge Your Heart Attack Risk

Latest Heart News TUESDAY, June 11, 2019 (HealthDay News) — Can a DNA test predict a person’s future heart health? Perhaps, researchers say. A team of Canadian researchers found that by analyzing a person’s entire genome, it might be possible to predict their future heart disease risk. The so-called “polygenic risk score” analysis looks for […]

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AHA News: 3 Simple Steps Could Save 94 Million Lives Worldwide

AHA News: 3 Simple Steps Could Save 94 Million Lives Worldwide

Latest Heart News MONDAY, June 10, 2019 (American Heart Association News) — Doing three relatively easy things could help save 94.3 million people around the world from premature deaths caused by cardiovascular disease, new research suggests. Those lives could be saved over a quarter-century span by scaling up treatment of high blood pressure, reducing sodium […]