Each month our editorial team sifts through hundreds of papers and curates notable findings—for practitioners and informed readers who want to stay current with the evidence. Subscribe to the monthly Research Digest for expert analysis and concise summaries of key papers.
This systematic review looked at studies up to November 2023 on cannabis use and mood disorders. The authors included 78 studies and found that cannabis use was generally linked with more depressive and manic symptoms, a higher chance of developing major depressive disorder (MDD) and bipolar disorder (BD), and a…
This 2021 review looks at plant-derived cannabinoids as possible treatments for epilepsy. It focuses on four compounds — CBD, CBDV, Δ9-THCV and CBG — and reviews what is known about how they might work in the brain and what animal and human studies have shown. The authors say there is…
This review found that research on cannabis use in India is limited and often low quality. The authors identified 29 Indian studies (1986–2020) but said most had small, region‑specific samples, included only men, used weak methods, and relied on simple descriptive analyses. National surveys show cannabis use has risen, and…
This study looked at 1,139 chronic pain patients in a UK medical cannabis registry and compared those with poor sleep to those without. Both groups reported improvements in pain, quality of life, anxiety, and other measures over 1, 3, 6 and 12 months after starting cannabis‐based medicines. People with sleep…
