Cheap semaglutide, the drug in Ozempic and Wegovy, could help millions with diabetes and obesity in 160 countries

Weight-loss jabs such as Wegovy could be made for just $3 a month, according to new analysis, potentially making the treatment available to millions in poorer countries as patents expire.

More than a billion people live with obesity worldwide, with rates rising fast in lower-income nations as they shift to westernised diets and more sedentary lifestyles.