Marijuana Law, Policy & Reform

Editor: Douglas A. Berman
Moritz College of Law

Wednesday, July 10, 2019

Notable new data run suggest marijuana reform not (yet?) resulting in increase in teen marijuana use

Earlier this week, the journal JAMA Pediatrics published this notable "Research Letter" titled "Association of Marijuana Laws With Teen Marijuana Use: New Estimates From the Youth Risk Behavior Surveys."  This AP article reports on its findings and why the research is garnering attention:

New research suggests legalizing recreational marijuana for U.S. adults in some states may have slightly reduced teens’ odds of using pot. One reason may be that it’s harder and costlier for teens to buy marijuana from licensed dispensaries than from dealers, said lead author Mark Anderson, a health economist at Montana State University.

The researchers analyzed national youth health and behavior surveys from 1993 through 2017 that included questions about marijuana use. Responses from 1.4 million high school students were included.

Thirty-three states have passed medical marijuana laws and 11 have legalized recreational use — generally for ages 21 and up, many during the study years. The researchers looked at overall changes nationwide, but not at individual states. There was no change linked with medical marijuana legislation but odds of teen use declined almost 10% after recreational marijuana laws were enacted....

Previous research has found no effect on teen use from medical marijuana laws, and conflicting results from recreational marijuana laws. The new results echo a study showing a decline in teen use after sales of recreational pot began in 2014 in Washington state. The results “should help to quell some concerns that use among teens will actually go up. This is an important piece when weighing the costs and benefits of legalization,” Anderson said.

But Linda Richter, director of policy research and analysis at the nonprofit Center on Addiction, questioned the new findings. The center is a drug use prevention and treatment advocacy group. “It sort of defies logic to argue that more liberal recreational marijuana laws somehow help to dissuade young people from using the drug,” Richter said.

Other studies have found that, in states where use is legal, fewer teens think it is risky or harmful than the national average, she said. And teens in those states still have access to marijuana. “There is plenty of research showing that the black market for marijuana is alive and well in states that have legalized recreational use,” Richter said.

As the title of this post suggest, I think it is still way too early to reach any clear conclusions about how marijuana reform laws are impacting marijuana use among any and all populations. I am glad there is a robust effort to keep a close eye on these teen use data, and lots of factors surely impact use patterns locally and nationally.  So this seems to me another bit of data in a story that we must keep watching for many years to come (along with teen use of alcohol and other drugs in a modern marijuana reform era).

https://lawprofessors.typepad.com/marijuana_law/2019/07/notable-new-data-run-suggest-marijuana-reform-not-yet-resulting-in-increase-in-teen-marijuana-use.html

History of Marijuana Laws in the United States, Medical Marijuana Data and Research, Recreational Marijuana Data and Research | Permalink

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