New survey shows 50% of teens say their fitness levels drop during summer. Experts say there is a connection between physical and mental health. Parents can help their teens feel motivated to exercise ...

Most people experience a rush of happiness through the release of endorphins or dopamine–something felt during physical activity or falling in love. In Zen Buddhism, this approach doesn’t work.

You may need to do more than keep a clean bandage on that cut you got a few days ago. In order to heal quickly, you may need to get some exercise and keep things happy on the home front. Two studies ...