DENVER – A study published earlier this month in the Journal of Drug and Alcohol Dependence says states with legalized medical marijuana programs have seen fewer opioid-induced hospitalizations per capita than states with no program.
The study was authored by Yuyan Shi, an assistant professor at the University of California-San Diego, and looked at hospitalization records for marijuana and opioids in 27 states across the country from 1997 to 2014.
She found that states with legal medical marijuana programs saw 23 percent fewer opioid dependence or abuse hospitalizations and 13 percent fewer opioid overdose hospitalizations than states without legal medical marijuana programs.
The report also found that operational medical marijuana programs did not lead to an increase in marijuana-related hospitalizations.
“Medical marijuana policies were significantly associated with reduced [opioid]-related hospitalizations but had no associations with marijuana-related hospitalizations,” the report’s conclusion found.
While there have been no state studies that directly link marijuana legalization and opioid use in Colorado, there is some recent data available on each independently.
The Colorado Substance Abuse Trend and Response Task Force released its 11th-annual report in January, which says that age-adjusted heroin-related hospitalizations have increased by 41 percent from 2011 to the end of 2014.
In 2011, there were 2.07 hospitalizations per 100,000 Colorado residents, but that number grew to 2.92 per 100,000 residents by 2015.
Similarly, the rate of heroin-related emergency department visits doubled over the same period, from 4.45 per 100,000 in 2011 to 9.28 per 100,000 by the end of 2014.
And the use of Naloxone, used to reverse the effects of opioid and heroin overdoses, increased by 240 percent from 2011 to 2015.
Heroin arrests were up by 515 percent over the same time period, and law enforcement seized 268.7 pounds of heroin in 2015, compared to just 16.1 pounds in 2011 – though both could be chalked up to an increased focus by law enforcement.
Legal recreational marijuana sales started in 2014, and overall combined sales between medical and recreational marijuana in Colorado have jumped from $699.2 million that year to $1.3 billion last year.
The state sold $437.8 million in medical marijuana in 2016 – up about $29.5 million from 2015.
New U.S. Attorney General Jeff Sessions has recently compared marijuana to opioids and suggested the idea that medical marijuana could help some addicts recover is “stupid.”
“Medical marijuana has been hyped, maybe too much,” Sessions said.
The Washington Post reports that Sessions also said after his speech that he was “dubious” of medical marijuana and research that points to it being an alternative painkiller and treatment option for opioid addicts.
“I’ve heard people say we could solve our heroin problem with marijuana. How stupid is that? Give me a break.”
Eight states and the District of Columbia have legalized recreational marijuana sales , but medical marijuana is legal in 28 states and D.C.