A collection of programmes tackling this modern day health concern.
Dr Xand van Tulleken explores possible negative effects of carbohydrates on health.
Dr Javid Abdelmoneim and four overweight volunteers put crash dieting to the test.
Hugh Fearnley-Whittingstall goes on a mission to confront the obesity crisis.
Chris Bavin reveals the latest scientific research on obesity.
A specialist pathology team conducts a post-mortem on the body of a 17-stone woman.
Five obese people who talk in raw detail about what it's like to be obese - while naked.
Michael Mosley examines the powerful science behind the ancient idea of fasting.
A no-holds-barred look into the world of plus-sized love and sex.
Michael Mosley and Dr Chris van Tulleken investigate omega-3 supplements.