Tonight

XXL Britain (17x23)

Air date: Oct 21, 2015

More people in Britain now die from a bad diet than from smoking. Being overweight can increase the risk of developing diabetes, heart disease, some cancers and having a stroke - and medical treatments related to obesity is costing the country billions every year. So why do so many people continue to eat unhealthily? Fiona Foster investigates and looks at a pioneering new drug treatment that could help in the fight against the flab.