Exercising several times a week may delay brain deterioration in people at high risk for Alzheimer’s disease, according to a study that scientists say merits further research to establish whether fitness can affect the progression of dementia.

UT Southwestern research found that people who had accumulation of amyloid beta in the brain – a hallmark of Alzheimer’s – experienced slower degeneration in a region of the brain crucial for memory if they exercised regularly for one year.

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