Busy man wants to know how much exercise is enough (Chattanooga Times Free Press)

DEAR DR. DONOHUE: I am a very busy executive and have to parcel my time carefully because of so many demands. What is the exact amount of exercise time necessary for a true health benefit? I am 45 years old and have a yearly corporate physical. I am told I am in good health, and no limitations have been placed on what I can or cannot do. I am 6 feet 1 inch tall and weigh 175 pounds. — A.A. A: I …
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