Exercise is good for your brain

Encouraging news from a new study, brisk walking for 20 or 25 minutes several times a week — a dose of exercise achievable by almost all of us — may help to keep our brains sharp as the years pass.

http://well.blogs.nytimes.com/2015/08/12/the-right-dose-of-exercise-for-the-aging-brain/?WT.mc_id=2015-AUGUST-FB-WCA-MC9_AUD_DEV-0801-0831&WT.mc_ev=click&ad-keywords=AUDDEVREMARK&_r=0