Exercise is a good thing, physicians from a variety of specialties agreed last week at a Sports Medicine Congress held in Chicago in connection with the Third Pan-American Games. But how much exercise is best? What kind? At what time of life? To these key questions there were no sharp answers, because medical science knows surprisingly little about the specific effects of different types of exercise on the human heart. As the experts puffed toward the finish line, they reached a consensus on some preliminary findings. ¶Athlete's heart" is an unfortunate term that should be discarded, because it indicates a diseased...
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