Adelaide University May 11 2026 Type 2 diabetes affects millions of people worldwide and now a new international study, jointly led by Adelaide University, University of Oxford, ETH Zurich, and Stanford University, has found one in ten people may not be benefiting from common medications used to treat the condition. The collaborative study discovered genetic variations present in ten percent of the population could prevent GLP-1 receptor medications, such as Ozempic, from working effectively.