One of the best pieces of medical news to emerge over the last several years is that choco

One of the best pieces of medical news to emerge over the last several years is that chocolate may【C1】______you live longer, probably through a【C2】______in heart attack. Chocolate s【C3】______status as a heart-healthy food was launched in the 1990s by Harvard Medical School researchers【C4】______the Kuna Indians, living off the coast of Panama. The researchers 【C5】______their attention on the Kunas regular consumption of cocoa—up to 5 cups a day—for clues about the【C6】______of this largely unprocessed food. Of all the things to love about chocolate, research【C7】______in 2012 in the journal Archives of Internal Medicine suggests that eating it regularly may【C8】______help you stay slim! The University of California study found that subjects【C9】______ate chocolate more frequently had a【C10】______Body Mass Index (BMI), 【C11】______when they consumed more calories overall. A BMI between 18-25 is considered healthiest【C12】______adults. A 2011 review of seven major studies【C13】______about 114,000 people also found a link between【C14】______of chocolate consumption and health. Eating chocolate and cocoa products more than twice a week【C15】______big drops in the risks of heart disease. Chocolate s【C16】______in an anti-aging diet may seem like news, 【C17】______the truth is, cocoa has been used【C18】______medicine in many cultures for thousands of years. In the mid-1600s Spanish explorers【C19】______it back home to Europe after they discovered it in the New World. 【C20】______the centuries, cocoa and chocolate have been credited with improving ailments (小病)ranging from digestion to toothaches and insomnia.

【C1】

A．cause

B．help

C．give

D．lead

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