High-potency cannabis and incident psychosis: correcting the causal assumption

Affiliations

¹ Genetic Epidemiology, Statistical Genetics, and Translational Neurogenomics Laboratories, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia; Department of Psychiatry, Virginia Institute for Psychiatric and Behavior Genetics, Virginia Commonwealth University, Richmond, VA, USA. Electronic address: nathan.gillespie@vcuhealth.org.
² Behavioural Science Institute, Radboud University, Nijmegen, the Netherlands.
³ Department of Psychiatry, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, the Netherlands.
⁴ Translational Neurogenomics, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia.

Comment

Nathan A Gillespie et al. Lancet Psychiatry. 2019 Jun.

. 2019 Jun;6(6):464.

doi: 10.1016/S2215-0366(19)30174-9.

¹ Genetic Epidemiology, Statistical Genetics, and Translational Neurogenomics Laboratories, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia; Department of Psychiatry, Virginia Institute for Psychiatric and Behavior Genetics, Virginia Commonwealth University, Richmond, VA, USA. Electronic address: nathan.gillespie@vcuhealth.org.
² Behavioural Science Institute, Radboud University, Nijmegen, the Netherlands.
³ Department of Psychiatry, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, the Netherlands.
⁴ Translational Neurogenomics, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia.

Erratum in

Correction to Lancet Psychiatry 2019; 6: 464.
[No authors listed] [No authors listed] Lancet Psychiatry. 2019 Aug;6(8):e19. doi: 10.1016/S2215-0366(19)30225-1. Epub 2019 Jun 7. Lancet Psychiatry. 2019. PMID: 31182405 No abstract available.

No abstract available

The contribution of cannabis use to variation in the incidence of psychotic disorder across Europe (EU-GEI): a multicentre case-control study.
Di Forti M, Quattrone D, Freeman TP, Tripoli G, Gayer-Anderson C, Quigley H, Rodriguez V, Jongsma HE, Ferraro L, La Cascia C, La Barbera D, Tarricone I, Berardi D, Szöke A, Arango C, Tortelli A, Velthorst E, Bernardo M, Del-Ben CM, Menezes PR, Selten JP, Jones PB, Kirkbride JB, Rutten BP, de Haan L, Sham PC, van Os J, Lewis CM, Lynskey M, Morgan C, Murray RM; EU-GEI WP2 Group. Di Forti M, et al. Lancet Psychiatry. 2019 May;6(5):427-436. doi: 10.1016/S2215-0366(19)30048-3. Epub 2019 Mar 19. Lancet Psychiatry. 2019. PMID: 30902669 Free PMC article.