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Even With Normal Blood Pressure, Excess Salt Can Be Harmful

March 23, 2015: 12:00 AM EST
Too much salt in the bloodstream is not only bad for blood pressure, it can also damage several organs, a U.S. study finds. But this should also serve as a warning to so-called “salt resistant” people who consume a lot of salty snacks and convenience foods, but still have low blood pressure. Potential effects on the arteries include reduced function of the endothelium, the lining of vessels; on the heart, enlargement of the muscle tissue of the main pumping chamber; on the kidneys, reduced renal function; and on the sympathetic nervous system, which activates the fight-or-flight response.
William B. Farquhar et al., "Dietary Sodium and Health. ", Journal of the American College of Cardiology, March 23, 2015, © American College of Cardiology Foundation
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