The fast food epidemic is growing in the UK and disproportionately affecting teens, with 30% of teens now overweight or obese. A new documentary investigates the routines of today's teens and their dependence on fast food like pizza, chips, McDonald's and KFC. It aims to provide unprecedented insight into how fast food is impacting teens' lives and health, with experts warning this generation faces problems due to influence of fast food industry. The documentary airs on BBC1 at 8PM.