Cancer patients are using marijuana to relieve a variety of symptoms. But even in states where it’s legal, patients are not getting the information they need.

About 25 percent of cancer patients use marijuana. At least that appears to be the case in Washington, a state with legalized marijuana.

Washington legalized medical marijuana in 1998 and recreational marijuana in 2012.

It’s been commercially available there since 2014. With more than half of U.S. states now allowing medical marijuana, researchers wanted to determine how many cancer patients take advantage of the availability.

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Ann Pietrangelo ~ Healthline.com ~