Youngsters are much less seemingly to make use of cannabis in US states the place the drug has been legalised, a brand new examine suggests.
Researchers at Montana State College in Bozeman, Montana, analysed annual nationwide Youth Threat Behaviour Surveys from 1993 via to 2017.
The reviews included questions on marijuana use and listed responses from 1.4m highschool college students.
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Right now, some 33 states have legalised medical cannabis, whereas 10 states have additionally legalised leisure use.
The drug stays unlawful in all states for folks below the age of 18.
After inspecting the reviews, the researchers discovered that there was an eight per cent drop within the variety of youngsters who mentioned they used the drug at the least as soon as within the final 30 days.
In the meantime, the variety of youths who had used cannabis at the least 10 occasions within the final 30 days noticed a 9 per cent drop.
Whereas the findings counsel that legalising leisure marijuana shouldn’t be tied to a rise in drug use, lead creator of the examine Mark Anderson has prompt that the drop might be as a result of it’s normally tougher for teenagers to purchase from licensed dispensaries the place proof of age is required.
Anderson added that he hopes the examine, which was printed within the medical journal JAMA Pediatrics on Monday, will “assist to quell some considerations that use amongst teenagers will truly go up” in locations the place leisure marijuana is legalised.
”As a result of many leisure marijuana legal guidelines have been handed so just lately, we do observe restricted post-treatment knowledge for a few of these states,“ Anderson instructed CNN.
”In a number of years, it could make sense to replace our estimates as extra knowledge develop into obtainable.“
The outcomes echo these of a earlier examine by the RAND Company – an American nonprofit international coverage assume tank – which discovered that cannabis use amongst teenagers in Washington dropped after the state legalised the drug in 2012.
Use amongst college students within the eighth grade dropped from 9.Eight to 7.Three per cent between 2014-2016, whereas use amongst 10th graders fell from 19.Eight to 17.Eight per cent.
Nevertheless, the outcomes do contradict the 2017 Wholesome Youngsters Colorado Survey carried out by the Colorado Division of Public Well being and Atmosphere.
The ballot of 56,000 youth discovered that the quantity of highschool pupils who mentioned they used cannabis stayed the identical after leisure use was legalised in that state in 2014.
In 2013, 20 per cent of youngsters mentioned they used marijuana and in 2017, 19 p.c mentioned that they had.