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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In a recent study, researchers analyzed whether retinal changes can be useful as early diagnostic criteria for Alzheimer’s disease. Alzheimer’s disease is a neurodegenerative disorder; recent research efforts have focused on the early diagnosis of Alzheimer’s disease. The retina is an extension of the central nervous system, sharing many structural and functional features of the
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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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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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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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Transcranial Electromagnetic Treatment (TEMT) shows promising ability to treat Alzheimer’s disease. Alzheimer’s disease was first described by Dr. Alois Alzheimer in 1906 and yet, some 113 years later, treatment for the disease is still limited to targeting symptoms. There has been a consistent failure to develop a drug that successfully modifies the disease itself. There
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A recent study assessed the potential of a correlation between lifespan cognitive reserve and the risk of developing dementia while taking brain pathologies into account. Lifespan cognitive reserve is a crucial aspect of brain function and cognitive behaviour. As individuals experience life, the brain develops mechanisms to cope with challenging situations involving stress, tension, and
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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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An open-label clinical trial working with eight people with Alzheimer’s disease concluded that a new wearable device that emits electromagnetic impulses was able to significantly improve memory loss in seven of these participants within 2 months. An innovative wearable device can significantly reduce memory loss in Alzheimer’s disease, according to a new clinical trial. Alzheimer’s
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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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A new stem cell-derived human model reveals the role of the most common genetic risk factor, the APOE4 gene, in Alzheimer’s disease. Alzheimer’s disease is the most common cause of dementia. The brain changes associated with Alzheimer’s disease begin decades before clinical signs and symptoms are detected or observed. It is a progressive disease characterized
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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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