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Takeaway addict Chris Longley swaps diets with meal-skipping hairdresser Nathan Smith - and gets a shock when he is sent to stay with a 32st American man whom doctors believe has five years to live. A 19-year-old reveals why his disordered eating has caused him to lose 11st in nine months, and Christian Jessen visits an overeaters' support group in Evansville, Indiana (Christian Jessen)
Other episodes for this season