Aging

Acetylcholine is a chemical messenger, or neurotransmitter, that plays an important role in brain and muscle function. Imbalances in acetylcholine are linked with chronic conditions, such as Alzheimer’s disease and Parkinson’s disease. Acetylcholine was the first neurotransmitter discovered. Imbalances in levels of acetylcholine play a role in some neurological conditions. People who have Alzheimer’s disease
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The testicles, or balls, are oval-shaped glands that form part of the male anatomy. They sit inside a thin sack of skin called the scrotum. As a person ages, the scrotum loses elasticity, and the skin starts to sag. Certain medical conditions can also cause the skin to appear saggy. Skin loses its elasticity over
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A new study has shown that the relationship between aging and cancer may be more intimate and complex than previously thought. In fact, some aspects of cellular aging may hinder the development of cancer. Although advancing age increases the risk of cancer, a recent study uncovers a more complex relationship. With a vast analysis of
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Loose or sagging skin occurs when internal or external factors affect the key molecules that help keep the skin elastic, firm, and hydrated. Most people start to experience skin laxity, or loosening, between the ages of 35 and 40 years. Skin laxity that occurs with age is mostly due to a loss of collagen networks,
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Although alcohol has been popular for millennia, and dementia is increasingly prevalent, scientists are yet to understand the relationship between the two. A recent study sets out for answers. A new study looks at the relationship between dementia, alcohol, genes, and cognitive impairment. With dementia predicted to affect 13.9 million adults in the United States
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Neurodegenerative diseases, such as Alzheimer’s and Huntington’s, share a mechanism of brain cell damage that could offer a new target for treatment, according to new research in human cells and mice. A newly discovered mechanism of brain cell damage could hold the key to treating several neurodegenerative conditions. A recent Nature Neuroscience study describes how
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People often pass pebble poop in small, hard, separate lumps. However, the stool can also appear as a solid piece that looks as though it consists of pebbles. Both types are a sign of constipation. Constipation is a common problem that most people experience from time to time. Chronic constipation can be painful, and it
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Exercise is important for helping people with Parkinson’s disease achieve better balance and mobility, but it can be hard to keep it up. A Dutch study has yielded positive results with a novel home exercise computer gaming program. New research showcases the benefits of ‘exergaming’ for people living with Parkinson’s. For people with Parkinson’s disease,
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A proof-of-concept brain imaging study suggests that exercising four or five times a week may delay the progression of Alzheimer’s disease in people who already have toxic buildups of beta-amyloid protein. Aerobic exercise could slow the cognitive decline of Alzheimer’s, a small new study suggests. The new research is a 1-year randomized controlled trial led
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Alzheimer’s is a progressive disease that destroys brain cells and affects a person’s memory, thoughts, and behaviors. According to the Centers for Disease Control and Prevention (CDC), Alzheimer’s disease affected nearly 5.7 million adults living in the United States in 2016. Many people who have Alzheimer’s receive daily assistance and care from their family members,
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Perceived stress may detrimentally impact oral health which, in turn, may lead to cognitive decline among specific elderly communities, according to two new studies. New research finds connections between oral health in older adults and cognitive function. Oral health can be a surprisingly good indicator of a person’s well-being. Not only can oral diseases reduce
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Muscle fatigue is a symptom that makes it harder to move as normal. Some people experience a dull aching in the muscles. They may also feel constantly tired and lack the energy to perform everyday tasks. Exercise is a common cause of muscle fatigue. Some health conditions can also prompt muscle fatigue, including muscle dystrophy.
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New research examines the associations between migraine and Alzheimer’s disease, as well as related forms of dementia. The study finds that migraine is “a significant risk factor” for Alzheimer’s and all‐cause dementia. Could a history of migraine increase dementia risk? New research suggests so. According to the American Migraine Association, about 36 million people of
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Raspberry ketone, sometimes called rheosmin or frambinone, is the compound that gives raspberries their distinct smell. Some people claim that it also offers health benefits, but there is not yet enough research to confirm this belief. Raspberry ketone supplements have gained popularity on the health food scene as a weight loss aid, despite the lack
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Fish oil is available as a supplement that manufacturers produce from fish. However, the benefits of fish oil are not always clear, and it may have unexpected side effects. Certain fish and the oil from them contain healthful fats that health experts recommend people regularly consume in their diets. The omega-3 fatty acids from fatty
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Scientists have trained an artificial intelligence tool to predict sex and estimate age from electrocardiogram readouts. They suggest that, with further development, the tool could soon be helping doctors to assess the overall health of their patients. One day, an AI-enhanced ECG could estimate a person’s overall health. An electrocardiogram, also known as an ECG
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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
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