A desire to lose weight, exercise more and eat more healthily feature in many people’s New Year resolutions, and are ranked higher than stopping smoking or drinking less alcohol.¹ Nevertheless, the increase in the number of people who are overweight or obese continues to have a significant impact on the individual, the health service and society. Almost half a century ago, DTB discussed the importance of diet, exercise and psychological support, and noted that “successful management of obesity requires …