Ethnobotany: How to Get Drugs from Plants

In 1820, most of the drugs listed in the American Pharmacopoeia were plant-based; by 1960, it was a mere 5 percent. Yet in the late 20th century this trend reversed. Why? Join Josh and Chuck as they get to the root of ethnobotany and plant-based medicine.

See omnystudio.com/listener for privacy information.