The existence of a link between obesity and diabetes is well established, but until recently, scientists lacked key details that could lead to better treatment. Researchers at King's College London and the University of Oxford may have turned a corner with a recent study with the discovery of the "master regulator" gene that controls the behavior of fat in the body. The breakthrough is expected to improve not only how we understand the development of obesity but also how doctors treat a host of obesity-related diseases.

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