Harvard Health Letter

Protect your brain from stroke

Too much salt can boost blood pressure and increase the risk for heart disease. Now a new study has linked a high-salt diet with increased risk for stroke. In the study, people who consumed the greatest amounts of sodium were about three times as likely to suffer a stroke as those who kept within the American Heart Association recommendations of 1,500 milligrams (mg) of sodium per day. The most serious stroke risk linked to sodium consumption of 4,000 mg a day, which is only a bit above the amount of sodium that most people consume in a day.
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