Reader's Digest » Walk Your Way to a Bigger Brain http://www.rd.com Sat, 18 May 2013 13:01:44 +0000 http://backend.userland.com/rss092 en-US Walk Your Way to a Bigger Brain We know exercise is good for our bodies, but new research suggests it is also good for our brains. A forty-minute walk three times a week…

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