Positive Marijuana Research Database
As part of the Philadelphia Neurodevelopmental Cohort, high-resolution T1-weighted MRIs were obtained from 781 youth aged 14–22 years. This sample included 147 cannabis (marijuana) users (109 used 1–2 times per week and 38 used 3 or more times per week) and 634 cannabis non-users. Several structural neuroimaging measures were examined, established procedures for stringent quality […]
As more of the United States implements medical marijuana laws, there is considerable interest on the effect, if any, this has on marijuana use among youth. This article states that a previous publication by Stolzenberg et al. (2015) entitled “The effect of medical cannabis laws on juvenile cannabis use”, erroneously claimed that medical marijuana laws […]
The authors of this study assembled data from the adolescent samples of the 2002 to 2013 administrations of the National Survey on Drug Use and Health, for ages 12-17 years. In the conclusion they state: “Past-year prevalence of marijuana use disorders among US adolescents declined by an estimated 24% over the 2002 to 2013 period.” […]
Due to the number of states changing their laws regarding both medicinal and recreational marijuana, some wonder about any increase in use, and alteration of perception of marijuana (cannabis) in the adolescent population. This study examines changes in adolescent marijuana use and related perceptions in Colorado, before and after the implementation of legal commercial sale […]