(Bloomberg) --
Researchers and pharmaceutical companies have poured time and money into developing an effective drug to combat obesity. But time and again, the drugs have failed to deliver. In episode five of Prognosis, Bloomberg's James Paton talks to scientists on the cutting edge of weight-loss research, and the companies that may finally be close to finding a medical solution to the obesity crisis.
To contact the editor responsible for this story: Liz Smith at lsmith289@bloomberg.net, Francesca LevyRick Schine
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