Conflict's impact on a neglected disease

A research center in Sudan had brought hope for neglected disease mycetoma, we hear from a mycetoma expert how the conflict has affected research. Also on the show, have researchers discovered a genetic form of Alzheimer’s, and for the first time an orangutan is seen making a medicine to treat its own wound – what can this tell us about the history of human medication? Presenter: Claudia Hammond Producer: Margaret Sessa-Hawkins