Is UK heading for an obesity epidemic?

How can the UK avoid an obesity epidemic? Researchers from Imperial College London say two million people in England meet the criteria to have a gastric band fitted.

Hear a 90 second summary of the issue with input from Dr Rangan Chatterjee a GP with a special interest in nutrition, Kathryn Szrodecki an obesity expert and size acceptance ambassador, plus callers John a food scientist, Ian - who eats raw bacon - and Owen who thinks people are too quick to blame supermarkets.