Sleepiness, Brain Proteins, and Fitness in Older Adults

Hot off the press: Three new studies, including one that reports middle-age physically fit women are nearly 90% less likely to develop dementia decades later.

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Three studies highlight sleepiness, brain proteins, and fitness: older adults without dementia who have excessive daytime sleepiness may be at greater risk for Alzheimer disease (AD); people with more amyloid in their brains also produce more tau, linking two key AD proteins; and middle-age physically fit women are nearly 90% less likely to develop dementia decades later. Scroll through the slides for summaries and links to sources.

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