It's Your Fault I'm Fat

19-year-old Stuart weighs in at 19 stone living on a diet of beer, fatty snacks and frozen food. He undertakes a complete lifestyle change as he tries to reduce his calorie count by half, with a personal trainer to help.

18-year-old William, who is autistic and has eaten the same lunch of burger and chips every day for two years, goes on a tailored diet to reduce his calorie intake by half as he and his family agree to a wholesale lifestyle change.

Cleo is 16-years-old and weighs in at just over 23 stone thanks to a diet of unhealthy convenience food and fizzy drinks, but she and her family change their lifestyles to try to halt their weight gain.

Dominique loves food, but she does not know when to say no.

TJ plays video games and snacks causing his weight to rocket.

Sixteen-year-old Jakes fast-food habit is out of control.