A drug already transforming the treatment of obesity and diabetes may have another, unexpected effect: slowing some aspects of ageing.Read Also: Diphtheria: Abuja barber’s ‘surgery’ made child bleed to deathResearchers have found that semaglutide, the active ingredient in popular weight-loss medicines such as Ozempic and Wegovy, extended the lifespan of elderly female mice and improved several measures associated with healthy ageing.In the study, published in Nature, mice trea