It's easier and more cost effective to maintain good health, than to regain it once it's lost.

[Walking's] overwhelming advantage is that it can be done by anyone, anytime, anywhere-and it doesn't even look like exercise.

I don't criticize weight training - as long as it is not a substitute for aerobic training.

We are involved in youth testing internationally. We want to try to prove without a shadow of a doubt the relationship between physical fitness and health, not just physical fitness and ability to perform.

According to the Gallup Poll, 24 percent of American adults exercised regularly in 1961, and 50 percent after 1968. The peak was 59 percent in 1984, dropping off to 51 percent last September.

I used to think that it didn't make any difference how far you ran if you had a good, strong musculoskeletal system and no underlying cardiovascular problems.

Exercise can't counteract the damage being done to your body while you continue to smoke. What exercise can do is help you kick the habit.