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.
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(doi:10.1001/jamanetworkopen.2022.2106)
Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.
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