Study Says It’s Easier to Study Heroin Than Marijuana

girlThe 2012 National Survey on Drug Use and Health (NSDUH) reports 20 million people in the United States used marijuana in the month prior to survey, making pot America’s favorite illicit drug.  Medical marijuana has been legal in California since 1996, and half a million Californians have prescriptions for its use.  ProCon.org, a non-profit organization that promotes critical thinking, education and informed citizenship on critical issues, estimated there would be nearly 2.5 million regular medical marijuana users alone if every state in the nation legalized medical marijuana.  Why, with such a high level of use, is marijuana regarded as difficult to study? Continue reading