Harvard Heart Letter

For heart health, less salt makes the most sense

A high-sodium diet can boost blood pressure, which may raise the risk of heart attack and stroke. What constitutes a safe amount of sodium (a central component of salt) has long been a matter of debate, but many experts and the American Heart Association recommend that people limit their daily intake to 1,500 milligrams. Recognizing and avoiding the top sources of sodium in the diet (breads and rolls; cold cuts and cured meats; pizza; poultry; and canned soups) can help. So can eating more potassium-rich foods such as cantaloupe, peaches, spinach, and sweet potatoes.
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