September 2016 A brain imaging study strongly suggests that regular users of marijuana have smaller orbitofrontal cortex (OFC) volumes. Such a deficit could make it more difficult to change counterproductive behaviors, including drug use.
July 2014 Interventions that bolster self-control in childhood and early adolescence might shield ethnic and racial minority adolescents and young adults from the burden of both drug use and depressive mood.
May 2016 Legally protected marijuana dispensaries (LMDs) were associated with lower rates of dependence on prescription opioids, and deaths due to opioid overdose, than would have been expected based on prior trends. However, LMDs also were associated with higher rates of recreational marijuana use and increased potency of illegal marijuana.
October 2013 People with cannabis use disorder (CUD) are likely also to have social anxiety disorder (SAD), and comorbid SAD is associated with greater severity of cannabis-related problems. These findings highlight the importance of assessing CUD patients for SAD, as that disorder can be both a contributing cause and a consequence of CUD. Treating both disorders may be a key to helping patients recover from each.
March 2011 Reports 2010 rates of marijuana use among 8th, 10th, and 12th grade students, noting that daily use increased by more than 10 percent in all three grades since the 2009 survey. Also reports a rise in ecstasy use.