cannabis

Severe psychological distress and daily cannabis use: Implications for mental health?

Daily cannabis use increased significantly from 2008 to 2016 among those with and without past-month serious psychological distress (SPD) and use among those with SPD was persistently higher compared to those without SPD. Research at Columbia Mailman School and CUNY shows that in 2016, past-month daily cannabis use was about…

Teen brain volume changes with small amount of cannabis use, study finds

At a time when several states are moving to legalize recreational use of marijuana, new research shows that concerns about the drug’s impact on teens may be warranted. The study, published in The Journal of Neuroscience, shows that even a small amount of cannabis use by teenagers is linked to differences…

Increased risk of harm from cannabis across Europe

Cannabis resin and herbal cannabis have significantly increased in potency and in price, according to the first study to investigate changes in cannabis across Europe. The study, published today (Sunday 30 December) in the journal Addiction by researchers from the University of Bath and King’s College London, draws on data collected from…

Cannabis and the brain: Recent studies shed new light

Recent research sheds new light on the effects of cannabis on the brain. It reveals a complex pattern of potential harms and benefits that varies with age and disease. The findings came from a number of studies that featured at the 2018 annual meeting of the Society for Neuroscience, held in San…

Adolescent cannabis use alters development of planning, self-control brain areas

Adolescent marijuana use may alter how neurons function in brain areas engaged in decision-making, planning and self-control, according to researchers at the University of Illinois at Chicago. The findings, which were presented at Neuroscience 2018, the annual meeting of the Society for Neuroscience, are the result of an animal model…