Body Atlas

Healthy Brain Habits · Brain

Does exercise really help the brain?

The most reliably brain-protective thing you can do with your body.

The simple answer

Physical activity turns out to be one of the best-supported ways to protect thinking as you age — which is a strange result until you remember the brain's dependence on blood supply.

Go deeper

There's more: the most reliably brain-protective thing you can do with your body. The full explanation — and the interactive version you can tap and quiz yourself on — lives in the app.

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