NORML Working to Reform Marijuana Laws

Study: Adolescent Cannabis Exposure Not Associated With Structural Brain Differences in Adulthood

The use of cannabis during adolescence is not associated with structural brain differences in adulthood, according to longitudinal data published in the journal Drug and Alcohol Dependence. Researchers concluded, “[T]he patterns of cannabis use typically seen in community-dwelling adolescents does not appear to have lasting effects on brain structure.”

NORML Working to Reform Marijuana Laws

Proximity Of Dispensaries To Schools Not Linked With Teen Use

The establishment of medical cannabis dispensaries within close proximity of schools does not make teens more susceptible to using marijuana, according to data published in the Journal of Adolescent Health. Authors concluded, “We did not find empirical support of the associations of medical marijuana availability, price, and product variety around schools with adolescents’ marijuana use and susceptibility to use … in the future.”

NORML Working to Reform Marijuana Laws

Study: Marijuana Decriminalization Leads To Decreased Arrests, No Increase In Youth Use

State laws reducing minor marijuana possession offenses from criminal to civil violations (aka decriminalization) are associated with dramatic reductions in drug-related arrests, and are not linked to any uptick in youth cannabis use, according to data published by researchers at Washington University and the National Bureau of Economic Research.

NORML Working to Reform Marijuana Laws

Meta-Analysis: Studies Refute Claims That Medical Cannabis Access Encourages Teen Use

The enactment of statewide laws regulating the use and distribution of cannabis for medical purposes is not associated with increased marijuana use among young people, according to a review of relevant studies published online ahead of print in the journal Addiction. Authors concluded, “In summary, current evidence does not support the hypothesis that MML passage is associated with increased marijuana use prevalence among adolescents in states that have passed such laws.”

NORML Working to Reform Marijuana Laws

Study: Marijuana Use Not Linked With Reduced Motivation

Neither the occasional nor the heavy use of marijuana by adolescents is associated with decreased motivation, according to clinical data published online ahead of print in the journal Substance Use & Misuse. Authors reported: “After controlling for confounds, no significant differences were observed between regular and light users on any motivation index.”