China has more obese people than anywhere else in the world‚ and they are increasingly turning to weight-loss drugs to solve the problem. That is fueling a gray market of drug sellers and buyers‚ who have little trouble getting around China’s rules on the use of Ozempic.  Ozempic isn’t available for weight loss in the country‚ instead being reserved for the treatment of Type 2 diabetes. But users on e-commerce platforms are able to buy the shots‚ colloquially known as “miracle drugs...