Skinny jabs risk being used as a cop-out by governments to avoid making hard policy choices to prevent obesity, a leading expert has warned. Prof Giles Yeo, a geneticist at the University of Cambridge and expert on obesity and the brain control of food intake, said drugs such as semaglutide – the active ingredient in the weight-loss jab Wegovy – were remarkable and worked for a majority of people. Indeed, Wegovy – which is available on the NHS – can help people to lose more than 10% of their body weight, with drugs such as tirzepatide even more effective. And...