GLP-1 drugs are a class of prescription medications such as Ozempic, Wegovy, Mounjaro, and Zepbound, that helps regulate blood sugar by boosting insulin production. Taken as a weekly injection, these drugs slow digestion, reduce appetite, and promote weight loss.

The newest weight-loss drugs, Wegovy and Zepbound, are incredibly popular. But doctors are still learning about all of the ways they affect the body—both helpful and harmful—beyond reducing weight. In report published in Nature Medicine,