What is it about ultra-processed foods that makes us both crave them and struggle to stop eating them once we’ve started? And how might our genes affect our desire for them? Presenters, doctors, and identical twins Chris and Xand Van Tulleken join Dr Giles Yeo to explain what they’ve learnt about the effect UPFs can have on the body through their own personal experiments.

Why Calories Don’t Count: http://hyperurl.co/CaloriesDontCount

Dr Giles Yeo Chews The Fat is produced by Anouszka Tate for Orion Publishing Ltd.

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