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adolescents

  • by Paul Armentano, NORML Deputy Director November 3, 2016

    mj_salesAge restrictions in legal marijuana states are effectively keeping cannabis out of the hands of minors, according to newly published data in the Journal of Studies of Alcohol and Drugs.

    A team of investigators from California, Colorado, and New Mexico assessed whether licensed retail cannabis facilities would sell to pseudo-underage buyers who failed to show proof of age.

    Authors reported, “Compliance with laws restricting marijuana sales to individuals age 21 years or older with a valid ID was extremely high and possibly higher than compliance with restrictions on alcohol sales.”

    They concluded, “The retail market at present may not be a direct source of marijuana for underage individuals.”

    Similar assessments of facilities in other jurisdictions have also shown that the overwhelming majority of marijuana retailers refuse sales to apparent minors.

    A pair of studies published earlier this week from Columbia University researchers reported that changes in marijuana’s legal status are “not associated with higher prevalence rates of marijuana use among adolescents.”

    An abstract of the study, “Pseudo-Underage Assessment of Compliance With Identification Regulations at Retail Marijuana Outlets in Colorado,” appears here.

  • by Paul Armentano, NORML Deputy Director October 31, 2016

    no_marijuanaChanges in marijuana’s legal status under state law is not associated with increased cannabis use or with its perceived availability by young people, according to pair of recently published studies.

    In the first study, published online in the journal Substance Use & Misuse, researchers at Columbia University in New York surveyed the marijuana use habits of a national sampling of 1,310 adolescents between the years 2013 and 2015. Investigators assessed whether respondents from states with liberalized cannabis policies were more likely to acknowledge having consumed cannabis compared to those residing in jurisdictions where the substance remains criminally prohibited.

    Authors reported that the study’s findings “failed to show a relationship between adolescents’ use of marijuana and state laws regarding marijuana use.” … [They] suggest that eased sanctions on adult marijuana use are not associated with higher prevalence rates of marijuana use among adolescents.”

    In the second study, published in the journal Drug and Alcohol Dependence, a team of investigators from Columbia University, the University of California at Davis, and Boston University examined the relationship between medical cannabis laws and the prevalence of marijuana availability and use by both adolescents and by those age 26 or older. Authors reported no changes over a nine-year period (2004 to 2013) with regard to the past-month prevalence of marijuana use by those ages 12 to 17 or by those between the ages of 18 and 25. Those age 25 and younger also experienced no change in their perception of marijuana’s availability. By contrast, self-reported marijuana use and availability increased among adults age 26 or older over this same time period.

    The conclusions are similar to those of numerous separate studies reporting that changes in marijuana’s legal status are not associated with any uptick in teens’ use of the substance, such as those here, here, here, and here.

    Abstracts of the two studies, “Is the Legalization of Marijuana Associated With Its Use by Adolescents?” and “State-level medical marijuana laws, marijuana use and perceived availability of marijuana among the general U.S. population,” appear online here and here.

  • by Paul Armentano, NORML Deputy Director September 2, 2016

    no_marijuanaProhibitionists often claim that legalizing and regulating marijuana will increase youth access to the plant. But newly released federal data says just the opposite.

    Fewer young people are reporting that marijuana is ‘easy’ to obtain, according to an analysis released this week by the US Centers for Disease Control.

    Investigators from the Substance Abuse and Mental Health Services Administration and the CDC evaluated annual data compiled by the National Survey on Drug Use and Health for the years 2002 to 2014. Researchers reported that the percentage of respondents aged 12 to 17 years who perceived marijuana to be “fairly easy or very easy to obtain” fell by 13 percent during this time period. Among those ages 18 to 25, marijuana’s perceived availability decreased by three percent.

    Researchers further reported that “since 2002, the prevalence of marijuana use and initiation among U.S. youth has declined” – a finding that is consistent with numerous prior studies.

    By contrast, authors reported an uptick in use among adults. However, they acknowledged that this increase in adult marijuana consumption has not been associated with a parallel increase in problematic use. There has been “steady decreases in the prevalence of marijuana dependence and abuse among adult marijuana users since 2002,” the study found. Those adults experiencing the greatest percentage increase in marijuana use during the study period were respondents over the age of 55.

    A separate analysis of the data published in the journal Lancet Psychiatry similarly acknowledged no observed increase in marijuana use disorders. A previous assessment of marijuana use patterns since 2002, published earlier this year in JAMA Psychiatry, also reported a decline in the percentage of adults reporting problems related to their marijuana use.

    Full text of the CDC study, “National estimates of marijuana use and related indicators – National Survey on Drug Use and Health, 2002-2014,” appears online here.

  • by Paul Armentano, NORML Deputy Director May 26, 2016

    no_marijuanaFewer adolescents are consuming cannabis; among those who do, fewer are engaging in problematic use of the plant, according to newly published data in the Journal of the American Academy of Child & Adolescent Psychiatry.

    Investigators at Washington University School of Medicine in St. Louis evaluated government survey data on adolescents’ self-reported drug use during the years 2002 to 2013. Over 216,000 adolescents ages 12 to 17 participated in the federally commissioned surveys.

    Researchers reported that the percentage of respondents who said that they had used cannabis over the past year fell by ten percent during the study period. The number of adolescents reporting problems related to marijuana, such as engaging in habitual use of the plant, declined by 24 percent from 2002 to 2013.

    The study’s lead author acknowledged that the declines in marijuana use and abuse were “substantial.”

    The study’s findings are consistent with previous evaluations reporting decreased marijuana use and abuse by young people over the past decade and a half — a period of time during which numerous states have liberalized their marijuana policies.

    An abstract of the new study, “Declining prevalence of marijuana use disorders among adolescents in the United States, 2002 to 2013,” appears online here.

  • by Paul Armentano, NORML Deputy Director September 21, 2015

    Self-reported use of marijuana by high-school students is significantly lower today than it was 15 years ago, according to an analysis of CDC data published in the journal Drug and Alcohol Dependence.

    Researchers from the Johns Hopkins Bloomberg School of Public Health in Baltimore assessed data compiled by US Center for Disease Control’s National Youth Risk Behavior Survey for the years 1999 to 2013. The Survey is a biennial school-based evaluation of more than 100,000 high-schoolers nationwide.

    Investigators reported that lifetime use of cannabis fell during this period. The percentage of respondents reporting monthly marijuana consumption and/or use any use of cannabis prior to age 13 also declined.

    “People have been very quick to say that marijuana use is going up and up and up in this country, particularly now that marijuana has become more normalized,” study leader Renee M. Johnson, PhD, MPH, an assistant professor in the Department of Mental Health at the Bloomberg School said in a press release. “What we are seeing is that … the rates of marijuana use have actually fallen.”

    The study is the latest in a series of recent evaluations — including this one here, here, here, here, here, here, here, here, and here — concluding that changes in state marijuana policies are not associated with increased marijuana use by young people.

    Moreover, just-released results from a separate University of Texas study assessing trends in the disapproval of marijuana by young people also reports “a significant increase in the proportion of youth (age 12 to 14) reporting ‘strong disapproval’ of marijuana use initiation over the last decade.” Similar to the findings of prior studies, the paper also reports that teens’ lifetime and past year use of marijuana has declined significantly over the past decade.

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