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The Secret
Harvard professor Norman Hollenberg, MD, PhD, has spent years studying the Kuna, an indigenous tribe on the San Blas Islands who drink five cups or more of unprocessed cocoa a day. He discovered that compared with residents of mainland Panama, who generally drink nutrient-poor grocery store cocoa, the islanders' risk of cancer, diabetes, stroke, and heart disease is reduced to less than 10 percent. They can likely thank cocoa's flavonoids, powerful antioxidants with a host of cardiovascular benefits.

The Prescription
For a heart-healthy beverage, stir a touch of honey and a tablespoon of pure cocoa powder (flavonoids are often removed from processed powders) into a cup of warm milk.