Are weight loss drugs a good idea?

Known as GLP-1, they've been all over our news feed! Ellie, Jasmin and Laura look at how these drugs work, how effective they are, whether they could live with the side-effects, and consider whether they should be advertised. Fact check: - How they work in the body - Some history, including when they were first used for type 2 diabetes - Evidence that most people regain a lot of weight when they stop using GLP-1 - Side effects observed in clinical trials - How they're made from venom