Tags: salt | blood | pressure

High-salt Diet Harms Blood Vessels

Wednesday, 20 June 2012 10:29 AM

Eating a high-salt diet for several years may damage blood vessels and boost the risk for high blood pressure, new research shows.
The study, reported in the American Heart Association journal Circulation, did not conclude there is a cause-and-effect relationship between salt intake and high blood pressure. But the findings "add to the considerable evidence that a diet heavy on salt is closely linked to high blood pressure," said lead researcher Dr. John Forman, with Brigham and Women's Hospital and Harvard Medical School.
"In addition, this study reinforces guidelines backed by the American Heart Association and other professional organizations that recommend reducing salt consumption to minimize the risk of developing high blood pressure," he said.
For the study, researchers tracked the sodium intake of 5,556 men and women in the Netherlands, using urine tests. Investigators analyzed the association between sodium consumption and blood levels of uric acid and albumin in the urine — markers of blood vessel damage.
Over the course of the study, 878 of the study participants were diagnosed with high blood pressure. Higher sodium intake was associated with increased levels of uric acid and albumin over time. The higher the levels of these markers, the greater the risk of developing hypertension if dietary salt intake was high, researchers found.
Men and women eating the most salt (about 6,200 milligrams per day) were 21 percent more likely to develop high blood pressure than those who consumed the least (about 2,200 milligrams per day).
The study was funded by the American Heart Association, the National Institute of Diabetes, Digestive and Kidney Disease, and the Dutch Kidney Foundation.

© HealthDay

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Eating a lot of salt over time may damage blood vessels and raise blood pressure.
Wednesday, 20 June 2012 10:29 AM
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