Stopping weight-loss jabs leads to much faster rebound than thought – so are they still worth it?

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Weight-loss injections, like Wegovy and Mounjaro, have been hailed as gamechangers. In clinical trials, people lost an average of 15%-20% of their body weight – results that seemed almost miraculous compared to traditional diet and exercise programmes.

Today, one in 50 people in the UK are using these treatments. Most of them – around 90% – are paying privately, at a cost of £120-£250 per month. But there’s a catch: more than half of people stop taking the drugs within a year...