18-year-old undergoes 'life-changing' weight loss surgery

It's been described as an epidemic - one of the biggest challenges facing today's society - obesity. Most accept it's a growing problem, but few agree on whose fault it is and what exactly should be done about it. Is industry the issue? Or is it the individual?

Many believe education is the answer - others have called for a sugar tax or a clamp-down on food companies. And while there is much debate over how to stop people becoming obese - there is similar disagreement on what to do about people who are already there. For one 18-year-old from Bournemouth, it was decided weight loss surgery was the best option.

Over the course of two special reports, Emma Wilkinson follows Abbie King through the surgery process, looking at how it works and its impact on her life. This is part one...