(DC) (US Botanic Garden) Interested in learning how plants affect our brains and bodies? Drop by the Medicinal House to talk with Dr. Terri Postma, Neurologist and Health Policy Advisor and learn about the intersection of botany and neurology. You’ll hear about the dual nature of plants, how their complex chemistry can serve as both a source of life-saving medicine and a potential neurotoxin, and learn more about how our well-being is deeply rooted in the botanical world.