The great cholesterol controversy that has waged incessantly for the past decade was beginning to wane last week. As the American Heart'Association held its scientific sessions in St. Louis, even onetime skeptics were prepared to concede that abnormal quantities of fatty material in the blood should be regarded as one of the major factors in producing heart-artery disease.* Thirty-two papers were presented on the subject; the evidence seemed overwhelming. Said Minneapolis Physiologist Ancel Keys: "No one can say that the maintenance of a low level of blood cholesterol will positively prevent development of artery disease. We don't know that this is...
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