Patient-reported use of medical cannabis for pain, anxiety, and depression symptoms : Systematic review and meta-analysis Jesse D. Kosiba, Stephen A. Maisto, Joseph W. Ditre Social Science & Medicine, 2019, 181-192. https://doi.org/10.1016/j.socscimed.2019.06.005 This study is the first to conduct a systematic review and meta-analysis of empirical studies that assess patient-reported reasons for using medical cannabis to alleviate pain, anxiety, and depression. The present review further assessed the quality of studies and identified several methodological flaws in extant research. Highlights •Systematically reviewed studies why patients use medical cannabis. •Pain was a common reason for medical cannabis use (64%). •Anxiety (50%) and depression (34%) were [...]