In Folkestone, after years of dental neglect, Ben has decided he doesn't want to be the 21-year-old with no teeth. But can he turn things around? In Dartford, Matt wants to get to grips with a lifelong condition that no amount of exercise has been able to shift: gynecomastia, or manboobs. In Staffordshire, Hayley was struck by a severe case of acne at just the same time as she became pregnant with her first daughter. What can she do to regain her confidence? In London, overweight Derek has decided to undergo a new procedure to shed the pounds, with two operations in one to first remove his pannus - a flap of excess fat and skin - and then reduce the size of his stomach. And in south London, Nicky is the recipient of a 'bionic arm' that will give her the most advanced prosthetic limb in the country.