Scientists found a concerning Alzheimer’s link involving glucosamine, a joint supplement used by millions. A widely used supplement marketed for joint pain relief may be linked to faster progression of Alzheimer’s disease, according to new research from University of Florida scientists. The study found that people with mild cognitive impairment (MCI) who reported taking glucosamine [...]

Millions of people take glucosamine every day in the hope of reducing joint pain and maintaining mobility as they age. The supplement has long been marketed as a natural way to support joint health, particularly for people with osteoarthritis. Because it is sold over the counter and does not require a prescription, many consumers assume […]

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Alzheimer’s disease is the most common cause of dementia, affecting millions of people worldwide. It gradually damages brain cells, leading to memory loss, confusion, difficulty with daily activities, and changes in thinking and behavior. As populations continue to age, the number of people living with Alzheimer’s is expected to rise sharply in the coming decades, […]

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Tiny lab-grown brain models and the particles they release may reveal hidden differences among Alzheimer’s patients. Personalized treatment remains one of the biggest challenges in Alzheimer’s disease. Two patients can receive the same medication for symptoms such as depression, anxiety, or agitation and experience very different outcomes, leaving doctors with few ways to predict who [...]

Growing evidence suggests that sleep may play a major role in protecting the brain as we get older. Scientists have known for years that poor sleep is linked to memory problems, difficulty concentrating, and a higher risk of dementia. Now, a new study from the University of Arizona suggests that several common sleep habits may […]

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As people grow older, many changes occur in the body. Vision may become weaker, joints may become stiffer, and hearing often becomes less sharp. For decades, hearing loss was largely considered a quality-of-life issue that made conversations more difficult. Today, scientists are beginning to view it very differently. New research from the University of Hong […]

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Millions of older adults around the world live with hearing loss. Many see it as an annoying part of getting older, something that makes conversations harder or requires turning up the television volume. However, scientists are increasingly discovering that hearing loss may affect much more than hearing alone. It may also play an important role […]

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A new study suggests that subtle changes in the brain’s immune cells could help explain why some people remain mentally sharp despite Alzheimer’s pathology. For decades, Alzheimer’s research has focused on the buildup of amyloid plaques and tau tangles, the two hallmark features of the disease. Yet a puzzling reality has continued to challenge scientists: [...]

Scientists have uncovered an early brain mechanism that may help explain why people carrying the APOE4 gene face a higher risk of Alzheimer’s disease. For millions of people who carry the APOE4 gene, the strongest known genetic risk factor for Alzheimer’s disease, changes in brain activity may start years before memory problems become noticeable. Researchers [...]

A new study shows that tau helps organize and preserve long-term memories, while abnormal tau may contribute to memory problems in Alzheimer’s disease by disrupting memory formation and recall. New research has revealed that tau, a protein closely linked to Alzheimer’s disease, is also essential for creating long-lasting memories. The findings could point to new [...]

In the documentary ‘A Road Trip To Remember’, Chris Hemsworth and his recently dementia-diagnosed father take a road trip back through their past, while exploring social connection and reminiscence therapy using the advice...

The post Chris Hemsworth & the dementia doctor first appeared on Science Illustrated.