The Interpretation of Epidemiologic Studies

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Abstract
The Journal is receiving a growing number of epidemiologic reports of associations between diseases and possible risk factors. The risk factor in question is often a habit or type of behavior, some element of diet or lifestyle that can presumably be changed. The reports are therefore often of great interest to the popular media and the public, as well as to physicians interested in preventive medicine.Why are we seeing so many of these kinds of studies now? One reason is that the major diseases now affecting Americans are chronic, degenerative diseases that probably have several contributing causes, some of . . .