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Episode 2

Two families swap their lives and diets to learn why Wales is one of the fattest nations in Europe. A division in lifestyle gives the families something to think about.

Live Longer Wales is a season of programmes from BBC Cymru Wales inspiring us to change our lives.

Why are Welsh teenagers so overweight? As part of the Live Longer Wales season, a unique and thought provoking experiment sees two families swap lives and diets. Halfway into the exchange, who's to blame for the Whewell family's excessive diet? Fingers are pointed, giving everyone food for thought - but can they stomach the changes? Only the swap can tell.

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30 minutes