Marijuana Moves Forward in Comp Despite Shortage of Evidence

Evidence is lacking on the effectiveness of marijuana for treating chronic pain, according to a new report that reviews 27 previous research studies, but some say the findings shouldn’t stop the use of marijuana for treating injured workers. The report, published Tuesday in the Annals of Internal Medicine, found low-strength evidence that cannabis alleviates nerve pain, but insufficient evidence that it is effective for other types of pain, including fibromyalgia or rheumatoid arthritis. The authors, from the VA Portland Health Care System and Oregon Health & Science University, al...