The Influence of Physical Activity on the Incidence of Site-Specific Cancers in College Alumni
The past dozen years have seen wide acceptance of epidemiologic evidence that adequate physical activity promotes physical fitness and counters tendencies toward development of coronary heart disease, a chief cause of early debilitation and premature death. But the evidence that physical activity influences cancer incidence is less clear, perhaps because cancer is a variety of diseases differing in underlying cause, age of onset, organ of involvement, induction period, and clinical course. Since exercise is a natural function of the body, its health benefits are thought to be achieved through its effects on all body systems, and accordingly it deserves serious study in relation to any effect it may have on prevention or delay in cancer occurrence.
KeywordsPhysical Activity Prostate Cancer Colon Cancer Physical Activity Level Stair Climbing
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