Addictions, Drug & Alcohol Institute

2024 ADAI Symposium

ADAI Symposium Cannabis, Schizophrenia, and Other Psychotic Disorders: Moving Away from Reefer Madness Toward Science

The Addictions, Drug & Alcohol Institute’s Cannabis Education & Research Program hosted this day-long hybrid (in-person and virtual) event on September 19, 2024 titled “Cannabis, Schizophrenia, and Other Psychotic Disorders: Moving Away from Reefer Madness Toward Science.”

Program agenda | Speaker bios

Recordings & Slides for Each Session

Opening Remarks

Keynote: Cannabis use and psychosis: Past, present, and future

ModeratorsKristen Haley, BA & Beatriz Carlini, PhD, MPH

Speaker: Marta Di Forti, MD, PhD*
King’s College of London, United Kingdom [slides]

Panel: Reviewing the evidence: Cannabis use, schizophrenia, and psychotic disorders

Moderators: Sarah Okey, PhD & Sharon Garrett, MPH, MA

  • Cannabis-induced psychosis and schizophrenia following cannabis legalization and commercialization in Canada (video: 0:1:07)
    Daniel Myran, MD, MPH (Ottawa Hospital Research Institute, Canada) [watch | slides]
  • Understanding causality between cannabis potency and psychotic experiences through longitudinal cohorts (video: 0:28:30)
    Lindsey A. Hines, PhD (University of Bath, UK) [watch | slides]
  • Lived experience testimony video (video: 0:55:03 | watch)
  • Gone to pot? The complex relationships between cannabis, cannabinoids and psychosis (video: 0:59:30)
    Deepak Cyril D’Souza, MD (Yale University) [watch | slides not available]
  • Panel Q&A (video: 1:35:14 | watch)
  • Lived experience testimony video (1:59:00 | watch)

Panel: Promising clinical interventions to reduce cannabis use among at-risk consumers

ModeratorsHarrison Fontaine, PhD & Lyndsey Kellum, MEd

Promising policies to reduce onset and progression of psychotic disorders in U.S. states with legal cannabis markets

ModeratorsMarie Gray, MS & Sharon Garrett, MPH, MA

Beatriz Carlini, PhD, MPH
University of Washington [slides]

Funded by the Washington State Legislature through ESSB 5187 (2023) and by the University of Washington’s Cannabis Dedicated Account.

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