Jade and Julie compare diets

Dr Christian uses the food tubes to show the girls how vast the difference in their diets are.

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In this documentary series, two people suffering from the effects of severe diets are placed in a medically supervised environment and swap diets for five days, after which they follow a healthy eating plan for three months before returning for a final weigh-in and health screening. The program also features Dr. Christian Jessen providing the two participants healthy eating tips and journalist Anna Richardson testing the latest fad diets.