Luke O’Neill: Weight-loss drugs have been linked to sudden blindness, so how worried should you be? While study has raised concerns about side effects, more encouraging findings have emerged about semaglutide and addictionSemaglutide injections have proved to be effective in tackling a number of addictions. Photo: GettyLuke O’Neill Yesterday at 16:15The weight loss jabs Ozempic, Mounjaro and Wegovy — a type of medicine containing semaglutide — are increasingly being seen as a medical wonder of the age.