Harvard Heart Letter
A salad a day keeps stroke away?
Research we’re watching New research suggests that eating plenty of nitrate-rich vegetables — such as lettuce, spinach, and beets — may lower your risk of dying of a stroke or heart attack. During digestion, your body converts nitrates into nitric oxide. This compound relaxes and widens blood vessels, which helps lower blood pressure. But does that translate to a longer life? To find out, researchers studied the diets of 1,226 older women who