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Marijuana Legalization Can Reduce Opioid Deaths – Study

Published: Aug 07, 2019   

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A new Economic Inquiry study has found that marijuana access leads to reductions in opioid-related deaths.

The study examined how the changing legal status of marijuana has impacted mortality in the United States over the past two decades.

Investigators found that legalization and access to recreational marijuana reduced annual opioid mortality in the range of 20 percent to 35 percent, with particularly pronounced effects for synthetic opioids.

The research extends prior findings that medical marijuana laws reduce opioid mortality rates. The findings are timely given the scale of the opioid epidemic in the United States and growing calls for marijuana legalization throughout North America.

“Recreational marijuana laws affect a much larger population than medical marijuana laws, yet we know relatively little about their effects,” said co-author Nathan W Chan, PhD, of University of Massachusetts Amherst.

“Focusing on the recent wave of recreational marijuana laws in the US, we find that opioid mortality rates drop when recreational marijuana becomes widely available via dispensaries.”

This article has been republished from the following materials. Note: material may have been edited for length and content. For further information, please contact the cited source.


Nathan W Chan, Jesse Burkhardt, Matthew Flyr. The Effects of Recreational Marijuana Legalization and Dispensing On Opioid Mortality. Economic Inquiry. 2019. DOI: https://doi.org/10.1111/ecin.12819


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