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Can exercise may make you smarter?

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Posted at 6:41 PM, Oct 30, 2012
and last updated 2012-10-30 18:41:00-04

(CBS) – Here’s another reason to lace up your sneakers: exercise may make you smarter.

Canadian researchers put six adults who didn’t exercise on a regular workout program.

Four months later, the study’s participants were not only healthier- they also performed better on cognitive tests.

Doctors say one big reason exercise is so effective is that it improves blood flow to the brain.