Did teen perception, use of marijuana change after recreational use legalized?

Marijuana plant.
Credit score: © jonnysek / Fotolia
Marijuana use elevated and the drug's perceived harmfulness decreased amongst eighth- and 10th-graders in Washington after marijuana was legalized for leisure use by adults however there was no change amongst 12th-graders or amongst college students within the three grades in Colorado after legalization for adults there, in keeping with a brand new research printed on-line by JAMA Pediatrics.
Washington and Colorado grew to become the primary two states to legalize leisure use of marijuana for adults in 2012, adopted by handful of different states since. The potential impact of legalizing marijuana for leisure use has been a subject of appreciable debate.
Magdalena Cerdá, Dr.P.H., M.P.H., of the College of California Davis College of Medication, Sacramento, and coauthors examined the affiliation between legalizing leisure use of marijuana for adults within the two states and modifications in notion of harmfulness and self-reported adolescent marijuana use earlier than and after legalization.
The authors used information from practically 254,000 college students within the eighth, 10th and 12th grades who took half in a nationwide survey of scholars. They in contrast modifications previous to leisure marijuana legalization (2010-2012) with post-legalization (2013-2015) and with traits in different states that didn't legalize leisure marijuana.
In Washington amongst eighth- and 10th-graders, perceived harmfulness declined 14.2 % and 16.1 %, respectively, whereas marijuana use elevated 2.zero % and four.1 %, respectively. Amongst states that didn't legalize leisure marijuana use, perceived harmfulness decreased four.9 % and seven.2 % amongst eighth- and 10th-graders, respectively, and marijuana use decreased by 1.three % and zero.9 %, respectively, in keeping with the outcomes.
No modifications have been seen in perceived harmfulness or marijuana use amongst Washington 12th-grades or college students within the three grades in Colorado, for which researchers supply a number of explanations of their article.
The authors additionally supply a number of potential explanations for the rise in marijuana use amongst eighth- and 10th-graders in Washington, together with that legalization might have elevated availability by way of third-party purchases. Limitations of this research embrace that it relied on self-reported marijuana use. Additionally, evaluation particular to the states of Washington and Colorado might not be generalizable to the remainder of the USA.
"Though additional information will probably be wanted to definitively tackle the query of whether or not legalizing marijuana use for leisure functions amongst adults influences adolescent use, and though these influences might differ throughout completely different legalization fashions, a cautious interpretation of the findings suggests funding in evidence-based adolescent substance use prevention applications in any extra states which will legalize leisure marijuana use," the article concludes.




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