Dr. Dennis McKenna on Ayahuasca – 9/20/11

Dr. Miller and his guest, Dr. Dennis McKenna. Dr. McKenna has conducted research in ethnopharmacology for over 30 years. He currently teaches at the Center for Spirituality and Healing at the University of Minnesota. Listen to Dr. Miller and Dr. McKenna discuss enthnobotany and pharmacology of ayahuasca and oo-koo-he.