Dr. Sarah Edwards, Plant Records Officer at the University of Oxford Botanic Garden and an ethnobotanist, dives into the fascinating world of dangerous plants. She reveals how species like cannabis and yew wield both healing powers and risks. The discussion explores the vital role of traditional knowledge in modern medicine, highlighting the Madagascar periwinkle's contributions to diabetes and cancer treatments. Additionally, she addresses ethical concerns over the exploitation of indigenous plant knowledge and the need for sustainable interactions with nature.