Sold on the Feeling, if Not the Benefits to Health

And there are no good studies investigating why people keep exercising. Dr. Dishman and others suspect the motivation is sheer pleasure — feeling energized, a boost in mood, feeling restless and uncomfortable without exercise. And you may not be able to will yourself to have this response.
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Many scientists and doctors who are avid exercisers — and who know and understand the medical science — say they were never motivated by the thought of improving their heart risk factors.
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