Jeremy looks at Britain's obesity crisis, lifting the lid on the competitive world of eating challenges, a craze from America which involves people consuming huge portions of food within a time limit. He meets a woman from the West Midlands who claims to be able to take on any eating challenge. The programme also visits a fast food restaurant in Las Vegas which encourages customers to eat calorie laden, unhealthy meals - apparently in the name of education - and Jeremy confronts its owner about his approach.
