Not all that long ago, conventional medical wisdom was that the human body crumbled gradually before it collapsed completely. But as recent research has demonstrated, physical decline can not only be slowed, it can also be reversed. Even those in their 90s can build muscles and increase their aerobic capacity. "You can die healthy," says Dr. Peter Jokl, professor of orthopedics and rehabilitation at the Yale University School of Medicine. Yes, and in the meantime, if you take care of yourself and train properly, you can be a competitive athlete.
Those who think Jokl is talking about playing a few rounds...