Sam speaks with renowned psychedelics researcher Roland Griffiths. They discuss such topics as the FDA's treatment of psychedelics, psychedelic use in vulnerable populations, psychedelics and meditation, advice for “bad” trips, and microdosing—as well as Roland’s stage-4 cancer diagnosis and his reflections on death.

Roland Griffiths, Ph.D., is a Professor in the Departments of Psychiatry and Neurosciences at the Johns Hopkins University School of Medicine, and founding Director of the Johns Hopkins Center on Psychedelic and Consciousness Research. He is the author of over 380 journal articles and book chapters, and has trained more than 50 postdoctoral research fellows. Roland has been a consultant to the National Institutes of Health, to numerous pharmaceutical companies in the development of new psychotropic drugs, and as a member of the Expert Advisory Panel on Drug Dependence for the World Health Organization.