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Everywhere you look there's talk of a new diet... but if you feel the need to shed a few pounds, you might want to listen to this first. TV scientist Dr. Giles Yeo is a Cambridge University geneticist who studies how we control our body weight. Speaking with ÃÛÑ¿´«Ã½ Radio 5 Live's Radzi Chinyanganya, he shares some uncomfortable truths about diets and the science of obesity. Are we fighting against our genes... or our desires?
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