The new treatment targets gut hormone GLP-1 but also mimics amylin, a hormone released by the pancreas that suppresses hunger.

Some outcomes, like reduced risk of cardiovascular disease and increased chance of nausea, were expected. But others took researchers by surprise.

Ozempic was first approved to treat diabetes in Canada seven years ago. Now the largest study of its kind suggests it and other medications like it have a host of other potential health benefits beyond obesity,