amyloid plaques

Two women speed walking
Good news for speed walkers. Many studies have shown that walking and other exercise helps protect the brain as we age. Now a new study finds that slow walking speed may be a sign of early Alzheimer’s disease.
brain maze
As with so many other perplexing questions about Alzheimer's disease and dementia, researchers are unsure why there seems to be a link between low vitamin D levels and a higher risk of developing these brain diseases.
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