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.

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

Since then, I have not missed five consecutive days in getting some type of aerobic exercise, mostly jogging.

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.

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.

I have not missed a day from work because of illness since 1956.

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