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October 19, 1964


JAMA. 1964;190(3):41-42. doi:10.1001/jama.1964.03070160099052

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JAMA189:37 (Sept 14) 1964 regrets the omission of the word "direct" from the statement attributed to Robert B. McGandy, MD, Department of Nutrition, Harvard School of Public Health. McGandy's statement should have read, "There is not one shred of direct evidence that reduction in the blood lipids lowers the risk of chronic heart disease." As McGandy pointed out, there is an abundance of indirect evidence, largely epidemiologic, that reduction of blood lipids does lessen the risk of chronic heart disease, and that the main purpose of the present Cooperative National Diet and Heart Study is to test the feasibility of carrying out a definitive study that will provide "direct evidence."

Vaccinations Developed for Encephalitis  An epidemiologist in Maryland has developed a series of vaccinations aimed at eliminating encephalitis outbreaks.Not yet tested on humans, the series of four shots spaced over a period of four months has

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