In recent years, Ozempic has become a hit among Hollywood celebrities and fitness enthusiasts in the West, who are looking to lose weight. The drug, which is actually meant for adults suffering from type 2 diabetes, has since been in the news for many reasons. Dr Brig (Prof.) KS Brar VSM, Director and Consultant, Adult and Pediatric Endocrinology and Diabetology, Manipal Hospital, Dwarka, explains how the drug works.