The Brotherhood of the Screaming Abyss!
by Dennis McKenna
Dennis McKenna has conducted research in ethnopharmacology for over 30 years. He is a founding board member of the Heffter Research Institute, and was a key investigator on the Hoasca Project, the first biomedical investigation of ayahuasca. He is the younger brother of Terence McKenna. He currently teaches in the Center for Spirituality and Healing at the University of Minnesota.
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