Effect of Medical Marijuana Card Ownership on Pain, Insomnia, Anxiety, Depression

JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), FRIDAY, MARCH 18, 2022

Media advisory: The full study is linked to this news release.

Free access to the full-text article This link will be live at the embargo time http://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.2106?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=031822

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

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.

(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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