There's been a spike in ER visits in Colorado following marijuana legalization, and edibles are doctors' biggest concern
Hollis Johnson/Business Insider
- A new study documents a sharp rise in emergency room visits linked with marijuana following legalization in Colorado.
- One of the key drivers of the ER trips appears to be edibles like weed brownies and cookies.
- Despite their meager sales, edibles represented a far higher proportion of weed-related ER visits compared against those for smoked marijuana.
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Edibles were another big problem.Pot brownies, cookies, and other sources of cannabis that are ingested can confuse patients and lead to issues like paranoia and intoxication. Those problems are especially true for people who are new to marijuana, Andrew Monte, the new paper's lead author and an associate professor of emergency medicine at the University of Colorado School of Medicine, told Business Insider.
"I don't think people are educated enough about how much cannabis to take and how long to wait," Monte said.For their work, Monte and his team chronicled nearly 10,000 emergency room visits to the University of Colorado Health's Anschutz campus in Aurora, a large public hospital roughly 30 minutes from Denver. Out of all of the visits, roughly a quarter (or about 2,500) were linked with marijuana. Of those, more than 10% were tied with edibles.Monte called the finding "striking," especially in light of how few cannabis edibles are sold in Colorado compared to cannabis flower, a term for the kind of marijuana that is smoked.
Not all edibles are created equal
Melia Robinson/Business Insider
Compared against emergency room visits for smoked marijuana, the proportion of visits for edibles was "about 33 times higher than expected," Monte and his team wrote in their paper.Monte has several ideas about why this might be happening.
New and inexperienced marijuana users may be more likely to try edibles, for example, because they perceive them to be safer or less intense. But compared with inhaled marijuana, whose effects emerge within minutes and last for 3-4 hours, ingested cannabis can take hours to have an effect. But those effects can also last for up to 12 hours - putting the trip length on par with that typically seen for the psychedelic LSD.
"With inhaled cannabis people feel high right away and generally know when to stop. If people have eaten something and don't feel it, they tend to try more, and that makes things difficult," Monte said.In addition, there can be wide discrepancies in edible products' actual cannabis content.
"Can you imagine accepting that kind of inconsistency for any other product?" Monte said. "That's not something we'd accept for any other food or medication that I can think of."Still, Monte emphasized that weed-related emergency visits are not overwhelming his hospital. In fact, he said he was fairly accustomed to seeing a spike in ER visits when a new drug is introduced into a community. Based on the figures in his paper, if his team is seeing 300 ER patients every day, only one of those visits is related to marijuana, he said.
"The thing to remember here is that cannabis isn't killing everyone, but it's not curing everything either," Monte said.
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