Like all medications, GLP-1 drugs such as semaglutide the active ingredient in Ozempic and Wegovy have side effectsIuliia Burmistrova/Getty ImagesThe use of weight loss treatments like Ozempic and Wegovy has skyrocketed in the Western world. But as more people turn to these treatments, which mimic the appetite-suppressing hormone GLP-1, more potential side effects are emerging, including hair loss.Evidence of this first appeared during clinical trials of Wegovy. Of the more than 2100 adult participants taking the drug, 3 per cent experienced hair loss, compared with only 1 per cent of the roughly 1200 participants taking a