OZEMPIC

A doctor talks about the effects of the wildly popular new drugs and what you should know before and after starting one.

Supply problems and insurance complications have made it difficult for many patients to start and stay on new prescription medications used to treat obesity.

The U.S. Food and Drug Administration is warning consumers not to use versions of the popular weight-loss drug used in Ozempic and Wegovy and sold online because they might not contain the same ingredients as prescription products and may not be safe or effective.

Obesity is a major and growing problem around the world, but especially in the U.S. Researchers have long looked for medications that can help people lose weight, mostly with disappointing and, in some cases, dangerous results.

A diabetes drug being tested for weight loss is poised to further upend obesity care.