¶Coronary patients who think they can stave off further attacks by unnatural idleness are mistaken, said Manhattan's Dr. Arthur M. Master. 'Of 2,200 heart attacks, he found, 23% occurred during sleep, 29% while at rest, 24% during mild activity, 13% during walking at an ordinary pace, 9% during moderate activity and only 2% during unusual exertion. ¶ Basing his judgment more on "clinical sense" than on statistical proofs, Boston's Dr. Richard H. Overholt advised: "If you have a family history of cancer of any kind, don't smoke, but if you have no...
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