The effect of cannabis use on physical and mental health

J.C. van Ours, J. Williams

Research output: Contribution to journalArticleScientificpeer-review

35 Citations (Scopus)


This paper investigates whether cannabis use affects physical and mental health. To do so, information on prime aged individuals living in Amsterdam in 1994 is used. Dutch data offer a clear advantage in estimating the health impacts of cannabis use because the legal status of cannabis in the Netherlands ensures that estimates are free from confounding with the physical and psychological effects of engaging in a criminal activity. Accounting for selection into cannabis use and shared frailties in mental and physical health, the results suggest that cannabis use reduces the mental wellbeing of men and women and the physical wellbeing of men. Although statistically significant, the magnitude of the effect of using cannabis on mental and physical health is found to be small.
Original languageEnglish
Pages (from-to)564-577
JournalJournal of Health Economics
Issue number4
Publication statusPublished - 2012


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