In the feeding clinic, LJ Marley, a takeaway addict who tips the scales at 24 stone, with a 59 inch waist, swaps diets with Katie Reeve, whose childlike portions see her weigh in at a paltry 6st 11lb.

Forty-two-year-old super snacker Julie Menzies swaps diets with 24-year-old fussy eater Zoe Hughes-Blinston in an emotional encounter.

Facing off in the Feeding Clinic is 24-stone takeaway addict Craig Nellies and superskinny cola addict Simon Tacaks, who's just too lazy to bother to eat.

Twenty-stone comfort eater Julie Henry swaps diets with coffee addict Dougie Reid.

Pizza delivery driver Thomas Barnes weighs 27st 10lb, largely due to his weakness for pizza.

The show catches up with sugar fan Hayley Payne and snackaholic Geoff Milton, one year after they met in the feeding clinic. Have they managed to change their terrible diets for good?