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Researchers have discovered that eating moderate amounts of flavanol-rich dark chocolate has a blood-thinning effect, which can benefit cardiovascular health, and it may also boost the immune system by reducing inflammation. The Kuna people of the San Blas islands, off the coast of Panama, have a rate of heart disease that is nine times less than that of mainland Panamanians. The reason? The Kuna drink plenty of a beverage made with generous proportions of cocoa, which is unusually rich in flavanols that help preserve the healthy function of blood vessels. Maintaining youthful blood vessels lowers risk of high blood pressure, type 2 diabetes, kidney disease and dementia.
Some research also suggests cocoa may help lower blood pressure. It appears that a compound in cocoa, called epicatechin, boosts nitric oxide, a substance that has been shown to be crucial to healthy blood vessels. Plentiful levels of nitric oxide help keep blood pressure from climbing. Be sure to choose dark chocolate, ideally one that’s 70 percent cocoa solids; milk chocolate lacks significant levels of epicatechin.
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