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Related Experiment Video

Updated: May 13, 2026

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study
07:30

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Published on: August 18, 2020

Cannabis use and suicidal ideation.

Jan C van Ours1, Jenny Williams, David Fergusson

  • 1Department of Economics, CentER, Tilburg University, The Netherlands. vanours@uvt.nl

Journal of Health Economics
|March 23, 2013
PubMed
Summary
This summary is machine-generated.

Intensive cannabis use increases suicidal thoughts in young males. This study found no evidence that suicidal ideation leads to cannabis use in adolescents or young adults.

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Area of Science:

  • Psychiatry
  • Epidemiology
  • Adolescent Health

Background:

  • Suicide is a leading cause of death for young people globally.
  • Understanding risk factors for suicidal ideation is critical for prevention efforts.

Purpose of the Study:

  • To investigate the longitudinal relationship between cannabis use and suicidal ideation in youth.
  • To determine the directionality of this association.

Main Methods:

  • Utilized a 30-year longitudinal study of a birth cohort.
  • Empirically analyzed the transition rates into suicidal ideation based on cannabis use patterns.

Main Results:

  • Intensive cannabis use (several times per week) was associated with a higher rate of transition into suicidal ideation for males.
  • No evidence was found to support suicidal ideation leading to increased cannabis use in either males or females.

Conclusions:

  • Findings suggest a potential causal link between heavy cannabis use and the development of suicidal ideation in adolescent and young adult males.
  • This highlights the importance of addressing cannabis use in suicide prevention strategies for young males.