Eating a high-salt diet for several years may damage blood vessels — increasing your risk of developing high blood pressure, according to research reported in the American Heart Association journal Circulation.
People with this type of blood vessel damage who eat a high-salt diet are more likely to develop hypertension, or high blood pressure . This research hints at the presence of a “sodium amplification loop” in which eating too much salt for a long time damages blood vessels, leading to a greater chance of developing high blood pressure if the high-salt diet is continued.
Researchers didn’t assess the cause-and-effect relationship between salt intake and high blood pressure. But the study’s results “add to the considerable evidence that a diet heavy on salt is closely linked to high blood pressure,” said John Forman, M.D., lead author of the study and a nephrologist at Brigham and Women’s Hospital and Harvard Medical School in Boston, Mass.
“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,” Forman said.
One gram of sodium is equal to 2.5 grams of table salt (sodium chloride).
A high-salt diet is believed to be responsible for 20 percent to 40 percent of all cases of high blood pressure in the United States.
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