Watch ITV Documentaries online: Episode 8 Extreme Slimmers

A look at how five individuals have shed over 100 stone between them through drastic measures - but is there a price to pay for their success? Colin was nearly 60 stone, but following an operation has dramatically lost weight. Nevertheless, some gruelling surgery was necessary to remove the excess skin left behind. Michelle has gone from 25 to 10 stone and dreams of a Barbie body but like Colin has taken the surgery route. Charlie lost 35 stone the hard way, through diet and exercise, but keeping it off is a huge struggle.

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