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Study: Opioid Abuse Rates Lower In Medical Cannabis States

Thursday, 28 April 2016

Study: Opioid Abuse Rates Lower In Medical Cannabis States

San Francisco, CA: Rates of prescription opioid abuse are significantly lower in jurisdictions that permit medical marijuana access, according to data reported by Castlight Health, an employee health benefits platform provider.

Investigators assessed anonymous prescription reporting data from over one million employees between the years 2011 and 2015.

In states that did not permit medical cannabis access, 5.4 percent of individuals with an opioid prescription qualified as abusers of the drug. (The study's authors defined "abuse" as opioid use by an individual who was not receiving palliative care, who received greater than a 90-day cumulative supply of opioids, and received an opioid prescription from four or more providers.) By contrast, only 2.8 percent of individuals with an opioid prescription living in medical marijuana states met the criteria.

The findings are similar to those reported by the RAND Corporation in 2015, which determined, "[S]tates permitting medical marijuana dispensaries experience a relative decrease in both opioid addictions and opioid overdose deaths compared to states that do not."

Data published in 2014 in the Journal of the American Medical Association (JAMA) Internal Medicine also reported that the enactment of statewide medicinal marijuana laws is associated with significantly lower state-level opioid overdose mortality rates, finding, "States with medical cannabis laws had a 24.8 percent lower mean annual opioid overdose mortality rate compared with states without medical cannabis laws."

For more information, please contact Paul Armentano, NORML Deputy Director, at: paul@norml.org. Full text of the study, "The opioid crisis in America's workforce," appears online at: http://www.castlighthealth.com/typ/the-opioid-crisis/.