A continuing rise in obesity around the world is not inevitable, research suggests, with rates in some countries levelling off or potentially in decline. Researchers say focusing on what has been described as a global epidemic of obesity hides large variations in trends across different countries, sexes and age groups. Majid Ezzati, a professor of global environmental health at Imperial College London and author of the study, said: “I think the thing that’s really important is this diversity exists even across countries that have really similar economic, environmental, technological features. So countries may look the same on the surface of it but obesity looks different.” Writing in the journal Nature , the international team, which involved a network of almost 2,000 researchers, described how for each country they calculated the change in the prevalence of obesity each year between 1980 and 2024.…