Exercise may make you smarter

October 22, 2009 Research from the University of Illinois shows that moderate exercise, such as a fairly intense walk, can make you smarter.

Studies involving people who worked out for just 30 minutes found it could help make them 10 percent brainier.

The immediate cognitive effects can last a few hours.

Other ongoing research suggests that regular exercise has long term effects on the brain. It seems to increase the frontal lobes, helps form connections and may even prevent Alzheimer's.

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