Doctors have long known that cutting back on salt or sodium can help lower blood pressure in folks with hypertension, a silent condition that increases the risk of heart attack and stroke. What hasn't been so clear is whether reducing the amount of sodium in the diet will benefit those whose blood pressure is normal. Now comes word that restricting salt can indeed lower normal blood-pressure levels. Though the effect isn't as great, it's still important, according to a study published in last week's New England Journal of Medicine.
The decrease in blood pressure occurred regardless of race or gender and...
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