Hooray for dark chocolate! Eating about 30 calories a day of dark chocolate — just one tiny square — was shown to help lower blood pressure after 18 weeks without weight gain or other adverse effects, according to a study published in the Journal of the American Medical Association (JAMA). Choose dark chocolate consisting of at least 70 percent cocoa powder. Because chocolate is also high in calories, you’ll want to be very careful not to overdo it.
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