1. Episode 1

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. 12 January 2015. 60 min

Dr Chris van Tulleken and Professor Tanya Byron join a team of experts to put 75 overweight volunteers on diets designed to tackle the specific reasons why they eat too much.

2. Episode 2

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. 13 January 2015. 60 min

Experts put overweight volunteers on diets designed to tackle the specific reasons why they eat too much. It is time to see if personalised dieting will work in everyday life.

3. Episode 3

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. 14 January 2015. 60 min

Experts put overweight volunteers on diets tackling the specific reasons why they eat too much. In the final two months of the diet, the volunteers' bodies are fighting back.