Studies Find Little Scientific Evidence That Marijuana Helps Treat Chronic Pain, PTSD

Medical marijuana is now legal in 28 states and the District of Columbia. Increasingly, people are turning to cannabis to treat a range of symptoms and conditions, including nausea, bipolar disorder and seizures.

But when it comes to using marijuana to treat chronic pain or post-traumatic stress disorder, two related reviews published Monday in the journal Annals of Internal Medicine find little scientific evidence to support either its effectiveness or its safety.

Up to 80% of people who request medical marijuana want to ease pain, while more than a third cite PTSD as their primary reason, the US Department of Veterans Affairs researchers wrote, citing a separate recent small study.

As a result, physicians increasingly need to talk with patients about the potential benefits and harms of cannabis use, the authors note. Where can doctors turn for evidence-based material?

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SOURCE: CNN, Susan Scutti