How Do Plants Become Medicines? - Jenny Hayes AUDIO ONLY

Many of the medicines we use today have their origins in plants such as willow, poppy, foxglove and sweet wormwood. Jenny Hayes of the University of York discusses the discovery of these medicines, as well as self-medication in animals including chimpanzees and cats.
Join Jenny to find out how herbal extracts are developed into pure drugs, and how the scientific search for new drugs continues to take inspiration from nature.