The DOI matches its Crossref record; 8 of the 8 references it cites were found in a registry or an index.
Causal association between cannabis and psychosis: examination of the evidence
Open accessAbstract
Background: Controversy remains as to whether cannabis acts as a causal risk factor for schizophrenia or other functional psychotic illnesses. Aims: To examine critically the evidence that cannabis causes psychosis using established criteria of causality. Method: We identified five studies that included a well-defined sample drawn from population-based registers or cohorts and used prospective measures of cannabis use and adult psychosis. Results: On an individual level, cannabis use confers an overall twofold increase in the relative risk for later schizophrenia. At the population level, elimination of cannabis use would reduce the incidence of schizophrenia by approximately 8%, assuming a causal relationship. Cannabis use appears to be neither a sufficient nor a necessary cause for psychosis. It is a component cause, part of a complex constellation of factors leading to psychosis. Conclusions: Cases of psychotic disorder could be prevented by discouraging cannabis use among vulnerable youths. Research is needed to understand the mechanisms by which cannabis causes psychosis.
Overview
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Integrity signals
Registry
Cites
Statistics
Verification
Claims the paper makes
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
The self-check needs the paper’s full text.
Citations
Cites
The Environment and Disease: Association or Causation?
Hill, A. B. (1965) · Proceedings of the Royal Society of Medicine · doi:10.1177/003591576505800503 · Cited by 6,974
Kraemer, H. C., Stice, E., Kazdin, A., Offord, D., & Kupfer, D. (2001) · American Journal of Psychiatry · doi:10.1176/appi.ajp.158.6.848 · Cited by 1,712
Zammit, S., Allebeck, P., Andreasson, S., Lundberg, I., & Lewis, G. (2002) · BMJ · doi:10.1136/bmj.325.7374.1199 · Cited by 871
Cannabis dependence and psychotic symptoms in young people
FERGUSSON, D. M., HORWOOD, L. J., & SWAIN-CAMPBELL, N. R. (2003) · Psychological Medicine · doi:10.1017/s0033291702006402 · Cited by 415
Premorbid Social Functioning in Schizophrenia and Bipolar Disorder: Similarities and Differences
Cannon, M., Jones, P., Gilvarry, C., Rifkin, L., McKenzie, K., Foerster, A., & Murray, R. M. (1997) · American Journal of Psychiatry · doi:10.1176/ajp.154.11.1544 · Cited by 345
Self-citationPremorbid adjustment and personality in people with schizophrenia†
Malmberg, A., Lewis, G., David, A., & Allebeck, P. (1998) · British Journal of Psychiatry · doi:10.1192/bjp.172.4.308 · Cited by 261
Epidemiological analysis of alcohol and drug use as risk factors for psychotic experiences
TIEN, A. Y., & ANTHONY, J. C. (1990) · The Journal of Nervous and Mental Disease · doi:10.1097/00005053-199008000-00001 · Cited by 175
Incidence of schizophrenia in south-east London between 1965 and 1997
Boydell, J., Van Os, J., Lambri, M., Castle, D., Allardyce, J., McCreadie, R. G., & Murray, R. M. (2003) · British Journal of Psychiatry · doi:10.1192/bjp.182.1.45 · Cited by 104
Self-citation
Cited by
The Dopamine Hypothesis of Schizophrenia: Version III--The Final Common Pathway
Howes, O. D., & Kapur, S. (2009) · Schizophrenia Bulletin · doi:10.1093/schbul/sbp006 · Cited by 2,693
Cannabis use and risk of psychotic or affective mental health outcomes: a systematic review.
Moore, T. H., Zammit, S., Lingford-Hughes, A., Barnes, T. R., Jones, P. B., Burke, M., & Lewis, G. (2007) · The Lancet · doi:10.1016/s0140-6736(07)61162-3 · Cited by 2,224
The environment and schizophrenia
van Os, J., Kenis, G., & Rutten, B. P. F. (2010) · Nature · doi:10.1038/nature09563 · Cited by 1,572
Caspi, A., Moffitt, T. E., Cannon, M., McClay, J., Murray, R., Harrington, H., Taylor, A., Arseneault, L., Williams, B., Braithwaite, A., et al. (2005) · Biological Psychiatry · doi:10.1016/j.biopsych.2005.01.026 · Cited by 1,409
Self-citationGene–environment interactions in psychiatry: joining forces with neuroscience
Caspi, A., & Moffitt, T. E. (2006) · Nature Reviews Neuroscience · doi:10.1038/nrn1925 · Cited by 1,300
Metadata
- Authors
- Arseneault, L., Cannon, M., Witton, J., & Murray, R. M.
- Venue
- British Journal of Psychiatry
- Publisher
- Royal College of Psychiatrists
- Published
- 2004-02
- Volume
- 184
- Issue
- 2
- Pages
- 110-117
- ISSN
- 0007-1250 (ISSN-L)
- 1472-1465
- OpenAlex
- W2099241624
- Cited by
- 913
- References
- 8
- FWCI
- 42.04
- Type
- journal article
- Language
- en
- Open access
- bronze
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
Are you an author, or do you see a problem with this page? Request a review
How to cite
Cite CoChat for the checks on this page, and the paper for its own findings.
- This page
- CoChat. (2026). Citation check: Causal association between cannabis and psychosis: examination of the evidence. https://app.cochat.ai/papers/10.1192/bjp.184.2.110
- The paper
- Arseneault, L., Cannon, M., Witton, J., & Murray, R. M. (2004). Causal association between cannabis and psychosis: examination of the evidence. British Journal of Psychiatry. https://doi.org/10.1192/bjp.184.2.110
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.