In conversation with Stanislav Grof, Ralph Metzner discusses the treatment of PTSD through therapeutic medicines such as cannabis and MDMA. Ralph Metzner was a German-born American psychologist, writer and researcher most famous for his participation in psychedelic research at Harvard University in the 1960s with Timothy Leary and Richard Alpert (later named Ram Dass).

Bonus interview to the documentary The Way of the Psychonaut.

Featuring: Ralph Metzner, Stanislav Grof
Video Language: English