Mice that were fed a high fat diet that is known to be a causative factor for type 2 diabetes (the obesity-related type) suffered less inflammation after having been given cocoa powder. Scientists assumed that such finding could be applicable to humans.

Dark chocolate is packed with flavanols, plant chemicals that enhance blood flow by widening vessels. It has always been associated with tons of health benefits. In this particular study, the mice were fed the human equivalent of 10 tablespoons of cocoa powder, about four or five cups of hot cocoa, in a 10-week span.

Professor Joshua Lambert said: "What surprised me was the magnitude of the effect. There was not as big of an effect on the body weight as we expected, but I was surprised at the dramatic reduction of inflammation and fatty liver disease."

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