About this programme

4/11. Overweight takeaway lover Craig Nellies trades diets with fizzy drink addict Simon Tacaks, who admits he's too lazy to bother to eat, and finds out how his habit could be damaging his teeth. Plus, in McAllen, Texas - one of America's fattest towns - Christian Jessen visits a diabetic patient suffering chronic wounds and organ problems, and Emma Woolf continues her investigation into eating disorders, looking at anorexia during pregnancy.