Medical Marijuana Is Often Less Potent Than Advertised

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Marijuana at a medical marijuana dispensary in Los Angeles. Twenty-three states and the District of Columbia have legalized medical marijuana.

People who buy medical marijuana products might not be getting what they paid for, a study finds. And evidence remains elusive on benefits for most medical conditions, even though almost half the states have legalized medical marijuana.

The majority of edible cannabis products sold for medicinal purposes have labels that do not accurately reflect the amount of delta-9-tetrahydrocannabinol, THC for short, infused in them. THC is the component that's responsible for the marijuana high. But it's also known as dronabinol, a prescribed medication used to treat nausea and vomiting caused by chemotherapy.

THC and cannabidiol (CBD), another chemical component of cannabis, are believed to be primarily responsible for therapeutic benefits, especially when the THC: CBD ratio is close to 1:1, according to the study.

Of 75 products legally...

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URL: 
http://www.npr.org/sections/health-shots/2015/06/23/416791647/medical-marijuana-is-often-less-potent-than-advertised