Supersize vs. Superskinny

Jade weighs just five and half stone,and is desperate to regain her pre-pregnancy size for the sake of her young son. Julie,binges on huge platefuls of home cooked food.

Lucy weighs in at just under eight stone. She became addicted to dieting after shaking off her post pregnancy weight. Leighton is trying to wolf down gigantic portions of take away food.

Thirty-eight-year old Emma Frost is a stubborn calorie counting health enthusiast who weighs in at just over six stone. Scott Hastie is now 25 and a half stone and in danger of health problems.

Binge eater Wayne swaps diets with fussy eater Lucia. And Anna Richardson tries tower running,ultrasound and infra red,as she bids to get herself a perfect pair of legs.

Supersized Alyson Mawunga swaps her colossal portions and sugary snacks with superskinny Nick Wood,who lives off caffeine drinks and little else.

In the feeding clinic Louise Knox,queen of convenience food,meets Carly Pitman,who's so busy she never finds the time to eat.

Food hater Louise swaps diets with 39-year-old biker Eddie,who needs to change his diet before it's too late. And Anna Richardson gives up on perfection and accepts what she was born with.

Last year superskinny Gillian and supersize Phillipa entered the feeding clinic to help each other unlock their dysfunctional relationship with food. How are getting on?

Last year superskinny Colin and supersize Tracey entered the feeding clinic to help each other unlock their dysfunctional relationship with food. Colin he is still eating healthily.

A year ago,superskinny single Mum Kim weighed in at a shocking 6 stone 2. She was a seriously fussy under eater. And her BMI of 15.4 was one of the lowest Dr Jessen had ever seen.