Psychedelicast is a podcast dedicated to the informed use of psychedelic plants, tools and medicines. We aim to help educate people on how to safely use these tools and medicines. www.psychedelicast.com Dr. Dennis Mckenna is an ethnopharmacologist with extensive experience in using these plant tools and teachers in the Peruvian, Columbian and Brasilian Amazon . Dr. McKenna is currently Assistant Professor in the Center for Spirituality and Healing at the University of Minnesota. He is also a founding board member of the Heffter Research Institute and has authored or co-authored 3 books and over 40 scientific papers in peer reviewed journals. His newest book "The Brotherhood of the Screaming Abyss" is available through his website http://www.brotherhoodofthescreamingabyss.com