Why do some of us pile on the pounds, while others seem to get away with it? Hannah Devlin speaks to Dr Giles Yeo about some of the latest findings from the field of obesity research – from the role of our genes and how heritable our weight is, to how, as a society, we’ve become overweight and what we can do about it.. Help support our independent journalism at <a href="https://www.theguardian.com/sciencepod">theguardian.com/sciencepod</a>
