Two teenagers desperately unhappy with their size consider going under the knife to lose weight. Stephen Perrett is just 17 years old and already tips the scales .
Robert is 53 and weighs 28 stone. He desperately needs a heart operation and without it, he??s only been given a year to live. But cardiac surgeons can??t .
At 28 stone Chris Webber is a life long dieter and his weight has been keeping him from meeting a woman. We catch up with Chris at his home in sunny Spain.
At 40 stone Sharon, with a BMI of 106, is extreme super morbidly obese. Sharon needs a constant oxygen supply to help her breath properly as her weight is .
