Supersize vs. Superskinny

At just 6 stone 10lbs, 19 year old Tatiana Moxfis extremely underweight and desperate for people to stop asking her if she's got an eating disorder

It's the mother of all food fights in the feeding clinic as Superskinny carb phobic Amy Jo Saunders faces up to snackaholic man mountain, thirty eight and a half stoner Andy Duckworth.

Tipping the scales just over 6 stones, 41-year-old Elizabeth Young thinks she's found the elixer to eternal youth - starving herself.

Since leaving home 26 year old Kevin Calladine hasn't had a decent meal. Short on time and money his weight has plummeted to just 8 stone 7lbs and he's two stones underweight.

In the feeding clinic this week, two women at opposite ends of the weight spectrum but with one thing in common, they both want to look wonderful in their wedding dresses.

Dr Christian Jessen faces a bumpy ride this week in the feeding clinic as superskinny size zero Louise Sapsford, who clocks in at 6 stone 2lb, faces up to supersize 28 stone 13 pounder Desroy Gordon's challenging diet of non-stop take-aways.

Long and lanky, 22-year-old Alex Law from Stockport hits the scales at just over ten stone because he barely eats a meal. Tired and exhausted he lives on a diet of caffeine pills supplemented by stodgy cakes and snacks despite holding down the physically demanding job of a plasterer.