Journey through a century of diabetes research and discovery, through an obesity epidemic. Explore the complex interaction of our genes, brain, gut and even ageing, in leading our bodies' resistance to insulin 6. How might diabetes drugs such as Ozempic help solve the west’s obesity epidemic, and what are the benefits, risks and the business of this class of semaglutide drugs? Along the way, we’ll encounter examples of how science and government sometimes gets things wrong, such as when issuing guidelines.