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Philip I. Hershberg, MD
Needham, Mass

JAMA. 1985;254(19):2737-2738.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

To the Editor.—

Williams et al¹ note that male heavy coffee drinkers have lipoprotein profiles suggestive of increased cardiovascular risk. Other studies, at least in Americans, are noted to be nonsupportive.

From 1970 to 1972, an unpublished study was performed under National Aeronautics and Space Administration sponsorship in 918 cardiac patients and in 918 age- and sex-matched controls, both groups consisting of patients of the Lahey Clinic Foundation. These patients were drawn from over 90,000 who had completed a detailed questionnaire that included the question, how many cups of coffee do you drink each day? The answers were as follows: none, 281; less than one, 282; one to three, 283; four to six, 284; and more than six, 285. Although we did not consider the influences of confounding factors, we believe that the sample considered, over 23 times greater than that in the published report by Williams et al, . . . [Full Text PDF of this Article]

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