Looking for a fountain of youth? You may need to search no further than your sneakers. Exercise, particularly high-intensity interval training, encourages your cells to make more proteins to feed ...

Elizabeth Quinn, an exercise physiologist and fitness trainer, in her blog on sports medicine at about.com, reports that resting after exercise helps to repair tissues that were stressed during ...

HIIT may offer the same health benefits as regular exercise in less time and help reduce body fat, heart rate, and blood pressure. It may even help improve blood sugar levels and insulin sensitivity.