Medical marijuana laws and mental health in the United States

doi: 10.1017/S1744133124000033.

Online ahead of print.

Jörg Kalbfuss¹, Reto Odermatt², Alois Stutzer²

Affiliations

PMID: 38562089
DOI: 10.1017/S1744133124000033

Abstract

The consequences of legal access to medical marijuana for individuals’ well-being are controversially assessed. We contribute to the discussion by evaluating the impact of the introduction of medical marijuana laws across US states on self-reported mental health considering different motives for cannabis consumption. Our analysis is based on BRFSS survey data from close to eight million respondents between 1993 and 2018 that we combine with information from the NSDUH to estimate individual consumption propensities. We find that eased access to marijuana through medical marijuana laws reduce the reported number of days with poor mental health for individuals with a high propensity to consume marijuana for medical purposes and for those individuals who likely suffer from frequent pain.

Keywords: chronic pain, marijuana regulation, medical marijuana laws, mental health

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