Alzheimer's Disease

Frequently Asked Questions

28. Does being physically active help prevent Alzheimer's?

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Although there is no evidence that exercise can prevent Alzheimer's disease, there is growing evidence that being physically active may improve mental function. In one recent study, researchers used magnetic resonance imaging, or MRI, to measure changes in the brain activity of healthy older adults before and after a six-month program of brisk walking. They found that the group of walkers was able to pay attention better and focus more clearly on goals without becoming distracted compared to a group that was not physically active. (Answer continues on next page.)