All Stories

  1. The international regime of drug control may violate the human right to life and security

    Article • International Journal of Drug Policy, March 2023, Elsevier

    Petter G Johnstad

  2. Entheogenic Spirituality: Characteristics of Spiritually Motivated Psychedelics Use

    Article • International Journal for the Psychology of Religion, December 2022, Taylor & Francis

    Petter G Johnstad

  3. Comparative harms assessments for cannabis, alcohol, and tobacco: Risk for psychosis, cognitive impairment, and traffic accident

    Article • Drug Science Policy and Law, January 2022, SAGE Publications

    Petter G Johnstad

  4. Day trip to hell: A mixed methods study of challenging psychedelic experiences

    Article • Journal of Psychedelic Studies, October 2021, Akademiai Kiado

    Petter G Johnstad

  5. Entheogenic Experience and Spirituality

    Article • Method & Theory in the Study of Religion, December 2020, Brill

    Petter G Johnstad

  6. The Psychedelic Personality: Personality Structure and Associations in a Sample of Psychedelics Users

    Article • Journal of Psychoactive Drugs, November 2020, Taylor & Francis

    Petter G Johnstad

  7. Who is the typical psychedelics user? Methodological challenges for research in psychedelics use and its consequences

    Article • Nordic Studies on Alcohol and Drugs, October 2020, SAGE Publications

    Petter G Johnstad

  8. Cannabis as entheogen: survey and interview data on the spiritual use of cannabis

    Article • Journal of Cannabis Research, September 2020, Springer Science + Business Media

    Petter G Johnstad

  9. Psychedelic Telepathy: An Interview Study

    Article • Journal of Scientific Exploration, September 2020, Society for Scientific Exploration

    Petter G Johnstad

  10. A dangerous method? Psychedelic therapy at Modum Bad, Norway, 1961–76

    Article • History of Psychiatry, January 2020, SAGE Publications

    Petter G Johnstad

  11. Powerful substances in tiny amounts

    Article • Nordic Studies on Alcohol and Drugs, February 2018, SAGE Publications

    Petter G Johnstad

  12. Mental health consequences of spiritual hallucinogen use

    Article • Nordic Studies on Alcohol and Drugs, January 2015, De Gruyter

    Petter G Johnstad