Harvard Medical School has derived a number of healthy practices for all of us to emulate. The following article will try to paraphrase the critical points on exercise, and why all of us should do it. And, for the ones who do it, perhaps they need to do more!
The Benefit of Fitness
Probably by now, everyone acknowledges the health benefits of exercise. Everyone should get at least 30 minutes of moderate exercise daily. Daily is not too much, as human beings we were designed to get a lot more exercise than just daily for 30 minutes. Benefits accrue quickly. Among them are:

del.icio.us
Digg this