Not a shocker

Recess improves academic performance:

The report -- a review of 50 studies published in 43 articles -- reached a conclusion that is no great surprise to those of us who know kids well (I have five), and work to promote their health (both physical, and intellectual). Physical activity is good for body and brain, alike. As often seems to be the case, modern analytic methods and systematic review of evidence landed us right in the middle of Grandma's common sense counsel: sound mind, sound body.