5x8 - Supersize vs Superskinny

Supersize medical student Brooke meets superskinny Marie Sheratt in The Feeding Clinic. And in America's fattest city Dr Christian hits the airwaves to urge the townsfolk to change their ways. Twenty-year-old Brooke Gamble is worried her size 28 body will stop future patients taking her seriously as a doctor. Dr Christian sends Brooke to America to meet 32-stone Christina White, who is confined to living and sleeping in just one room.