When many people think about psychedelic drugs, they think about hippies and counterculture in the 1960s. But research into the medical uses of LSD, psilocybin, ketamine and other psychedelics was well under way before the 1960s and actually became derailed by its association with counterculture. Only over the last couple of decades, has research resumed and subsequent legalization of some of these substances has come on the horizon. Why are these substances so important, both for treating mental illness but also for expanding the scope of consciousness for all human beings? International lawyer Robert Laurie joins the podcast.