The Hidden Science of Obesity: Why It’s Not Your Fault – And What Really Drives Weight GainSix years ago, Alanna Collen began talking to the worlds leading weight scientists in pursuit of her belief that however much you dieted your body would always override your willpower. The evidence was everywhere, not least in the fact that after 70 or so years of bestselling diet programmes few people managed to keep the weight they had lost off. Historically, it was also obvious that people were far slimmer and healthier in the past, and not because