March 17, 2026 10:42 AM
Cannabis shows little benefit for most mental disorders, data review finds
Cannabis-based medicines have shown little evidence of effectiveness for treating most mental health and substance-use disorders, according to a large review of past studies published in a major medical journal on Monday. Medical use of cannabinoids has been expanding, including in the United States, Canada and Australia, where many patients report using cannabis products to manage conditions such as anxiety, post-traumatic stress disorder and sleep problems. Researchers reviewed data from 54 ...