Prof. Matthew W. Johnson


Prof Matthew Johnson

Prof. Matthew W. Johnson, Ph.D., is Professor of Psychiatry and  Behavioral Sciences at Johns Hopkins. He is one of the world’s most  published scientists on the human effects of psychedelics, and has  conducted seminal research in the behavioural economics of drug  use, addiction, and risk behavior. Dr. Johnson earned his Ph.D. in  experimental psychology at the University of Vermont in 2004.

Working with psychedelics since 2004, Dr. Johnson published  psychedelic safety guidelines in 2008, helping to resurrect  psychedelic research. As Principle Investigator he developed and  published the first research on psychedelic treatment of tobacco  addiction in 2014. Dr. Johnson and colleagues published the  largest study of psilocybin in treating cancer distress in 2016. His  2018 psilocybin abuse liability review recommended placement in  Schedule-IV upon potential medical approval.

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