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New Study Says Low-Fat Diet Can Lower Blood Pressure

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Science  18 Apr 1997:
Vol. 276, Issue 5311, pp. 350
DOI: 10.1126/science.276.5311.350

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A study known as DASH (for Dietary Approaches to Stop Hypertension) provides compelling evidence that a low-fat diet rich in fruits, vegetables, and dairy products can lower blood pressure as much as any single drug treatment. (The results appear in the 17 April New England Journal of Medicine.) Just how the diet works isn't clear, although some researchers not involved in the study think it supports a controversial notion that low calcium intake may play a bigger role in high blood pressure than the high sodium intake most experts cite. But hypertension experts say that the study results already have implications for warding off the rise in blood pressure that often occurs as people age.