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