Effect of medical marijuana card ownership on pain, insomnia, anxiety, depression

JAMA Network

What The Study Did: This randomized clinical trial that involved 186 participants found that compared to waiting 12 weeks, immediate acquisition of a medical marijuana card led to a higher incidence and severity of cannabis use disorder and no significant improvement in symptoms of pain, anxiety or depression but improvements in sleep.

Authors: Jodi M. Gilman, Ph.D., of Massachusetts General Hospital in Boston, is the corresponding author.

To access the embargoed study: Visit our For The Media website at this link https://media.jamanetwork.com/


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