Dr David Lewis is a neuropsychologist, director of research at Mindlab International, and the author of more than two dozen best-selling books. He is a Chartered Member of the British Psychological Society, a Fellow of the International Stress Management Association, and founder of Action on Phobias and Stresswatch; a non-profit charity advising companies on stress management. He has also been the on-screen consultant to Channel 4's acclaimed 'Secret Eaters' diet programme. Dr Margaret Leitch is a research scientist with PhD, MSc, and Honours BA degrees in the field of Experimental Psychology, Research Methods and Statistics, and Honours Psychology. She has conducted research into the psychological and neuroscientific underpinnings of obesity, including three years of longitudinal patient monitoring. She is a specialist in identifying the predictive signs that express a vulnerability for developing overeating habits. She is co-author of the best-selling book Lose It Right.
Our planet is in the grip of an obesity pandemic. More than a billion people worldwide are overweight and over 600 million are obese. We live in an obesogenic environment in which it is much easier to get fat than to stay fit. How has this come to be? Who is to blame? What can we do?