Related Experiment Video
Updated: Mar 18, 2026

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study
Published on: August 18, 2020
Cannabis Use in Psychiatrie Patients
S Chaudhury1, S Sudarsanan2, S K Salujha3
1Classified Specialist (Psychiatry), Command Hospital (Western Command), Chandimandir.
Background:
Cannabis abuse has been associated with psychiatric disorders.
Methods:
The pattern of cannabis use and incidence of cannabis dependence and cannabis psychosis among 471 consecutive patients admitted to a tertiary care psychiatric center was investigated.
Results:
Cannabis use was reported by 67 (14.23%) patients of whom 42 (8.92%) were occasional users, 18 (3.82%) were classified as frequent users while 7 (1.49%) fulfilled criteria for cannabis dependence. 3 (0.64%) patients showed symptoms which were characteristic of cannabis psychosis. Among the 67 cannabis users, 56 (83.58%) had their first exposure to cannabis before entering service at 13-19 years of age. The remaining 14 (16.09%) began consuming cannabis 1-5 years after joining service.
Conclusion:
The reasons given for using cannabis were curiosity about its effects 32 (47.76%), peer pressure 17 (25.37%) or traditional use during festivals 18 (26.87%).
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