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The science of obesity: Is it all in the genes?

TV geneticist Dr. Giles Yeo shares some uncomfortable truths about diets and the science of obesity. Are we fighting against our genes - or our desires?

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 BBC 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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37 minutes