Weight-loss jabs such as Wegovy and Ozempic 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.The World Health Organization designated semaglutide – sold to treat obesity under the brand name Wegovy, and diabetes under the bran...