http://www.theglobeandmail.com/life/...51/?cmpid=rss1

Researchers at Queen’s University are exploring a novel hypothesis about the potent synergies that result from performing physical and cognitive training sessions back-to-back. Preliminary evidence suggests that this one-two punch delivers a greater dose of brain-enhancing chemicals than doing the same exercises at different times of day, lending new support to the old idea that a healthy mind and a healthy body go hand-in-hand.