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Exercise and the Ever-Smarter Human Brain

Posted Dec 26 2012 12:44pm

By GRETCHEN REYNOLDS, in the New York Times

“Anyone whose resolve to exercise in 2013 is a bit shaky might want to consider an emerging scientific view of human evolution. It suggests that we are clever today in part because a million years ago, we could outrun and outwalk most other mammals over long distances. Our brains were shaped and sharpened by movement, the idea goes, and we continue to require regular physical activity in order for our brains to function optimally.”

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