Did you know that ultra-processed foods (UPFs) make up 60% of the average UK diet? Chris van Tulleken joins Liz on this episode to lift the lid on how UPFs are really affecting our bodies.

The leading academic, award winning broadcaster and practising NHS doctor reveals why exercise and willpower can’t always prevent ill health - and why it’s often actually down to what we’re eating instead.

Liz and Chris discuss what responsibility policy makers need to take to provide alternative ways for us to eat. The episode also covers the definition of UPFs, what to look out for on ingredient labels and Chris' month-long experiment of eating a diet made up of 80% UPFs.

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What ultra-processed foods really do to our bodies, with Chris van Tulleken