Diabetes medications are used to lose weight because they are effective and cause you to lose a good 10 percent of your weight. It started as a trend suggested on the internet and has expanded to organizing weekly stabbing parties. One shot per week for one of the most commonly used medications, semaglutide. However, there is one but: These medications work, but only as long as you take them. If you do not significantly change your lifestyle, move more and learn to eat less, at the end of therapy all the lost kilos will come back. And actually it’s even worse because the fat comes back but the muscle doesn’t. We talk about this with Professor Andrea Giaccari, diabetologist at the Gemelli Polyclinic Foundation in Rome. Elvira Naselli in the studio