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The Aztec emperor Montezuma II said that a soldier could march for a whole day on a single cup of cocoa. But this was not the hot chocolate we would be familiar with today. It was gritty, bitter and often had a fatty scum on top. And if that doesn't sound unpleasant enough, it was occasionally laced with chilli or human blood.
Original Article: Which type of chocolate is best for your health? Here's the scienceNEXT ARTICLE