Some new medications in development are also trying to solve for a persistent side effect of existing drugs: Patients who lose fat also tend to lose muscle. This can be particularly dangerous for older adults because it makes them more likely to fall and can worsen osteoporosis.

The growing use of weight-loss drugs like Ozempic could be having an impact on supermarkets’ bottom lines as Brits shy away from more than just unhealthy food. Four per cent of households in the UK now have at least one member using GLP-1, the active ingredient in weight-loss drugs. The share of UK households with [...]