How the hunger for a new weight loss drug is feeding an industry of fakes

Excitement around the creation of a new drug, especially one showing early promise in clinical trials, is often celebrated by those developing it. But new weight-loss drug retatrutide has become a headache not only for Eli Lilly, the pharmaceutical company behind it, but for regulators in the UK and around the world. The jab has not yet been approved for human use by any regulatory body. But illicit, counterfeit dupes of retatrutide are currently flooding the black market. Experts have told the BBC this is one of the first times they have seen copycat versions of an experimental drug, still...