Certain body posturing, respiration and thinking positively influence our physiology. Studies show that recalling a happy memory makes you happier. Dana Santas is the creator of Radius Yoga Conditioning, a yoga style designed to help athletes move, breathe and focus better. She’s the yoga trainer for the Atlanta Braves, the Philadelphia Phillies, the Tampa Bay Rays, Tampa Bay Lightning, Orlando Magic and dozens of pros in the National Football League, National Hockey League, National Basketball