Across the African continent cases of MPox have surged 160 percent this year. What is behind the spread, and what can be done to stop it?

Also on the programme: the prescription of GLP-1 drugs such as Ozempic and Wegovy is increasing as more health benefits are discovered, but what does that mean for supply issues? And there is a lot of talk about lactic acid and the Olympics, but does that word mean what you think it means?