The study found that the number of marijuana-related hospital visits for children under the age of 10 more than doubled since the opening of Colorado's recreational marijuana market, from seven in 2013 to 16 visits in 2015. Marijuana-related poison control calls for young kids also rose sharply over that period, from 25 to 47.
Opponents of marijuana legalization were quick to jump on the findings. Kevin Sabet, president of Smart Approaches to Marijuana, tweeted his reaction:
On the other hand, it's not entirely surprising that a new market offering a product for the first time will lead to an uptick in cases of accidental ingestion and misuse. Marijuana edibles — pre-packaged candies, brownies and the like — are naturally appealing to small kids and accounted for nearly half of the hospital visits in the JAMA study.
Beyond that, the raw numbers on marijuana exposure are extremely low. Marijuana accounts for only 2.3 of every 1,000 poison control cases for kids 10 and younger in Colorado, according to the JAMA study. At the national level, kids are much more likely to be poisoned by any number of common household products, like diaper cream, toothpaste, or energy drinks, than they are to be poisoned by marijuana.
It's also worth noting that a call to a poison control center doesn't necessarily mean that a poison has taken place — a child may slurp down the toothpaste on her toothbrush prompting a panicked call to poison control, only to have the operator tell the parent that everything will be just fine.
You can correct for this somewhat by looking at rates of poisoning, however — for a given substance, how many poison control center calls for every 1 million adult users of the drug. We have a good sense of how many people use any given drug from federal surveys that are administered every year.
So here's the number of poison control center calls nationwide for children ages 5 and younger, by the type of drug the child accidentally consumed, in 2014. I'm sticking with the big three American drugs — alcohol, tobacco and marijuana — because lots of people use them and policymakers often frame marijuana debates with comparisons to booze or cigarettes.
Drug | Poison control calls for kids 5 and under per 1 million adult users, 2014 | ||
Marijuana | 9 | ||
Alcohol | 9 | ||
Tobacco | 134 | ||
Source: | National Poison Data Center, National Survey on Drug Use and Health |
It's possible that the sight of a 2-year-old gnawing on a Marlboro red is more concerning to the typical parent than say, if that same 2-year-old were to sneak a sip of dad's beer. Also, there historically has been a lot more public health messaging about the health risks of tobacco and nicotine than of alcohol, which may play a role, too.
The interesting number is marijuana, which has the exact same exposure rate for children as alcohol. But politicians generally aren't calling for alcohol to be outlawed in order to protect children. This is at least partly because legal alcohol has been around for forever. We’re comfortable with it. But legal marijuana is new, and new things are scary.
As Smart About Marijuana's Sabet notes, "legalization hurts." But so does alcohol. So does tobacco. So do diaper cream, toothpaste, laundry detergent and crayons (1,683 crayon-related poison control calls for kids in 2014, in case you were curious).
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