Mortality rates decreased for alcohol use disorders, self-harm, and interpersonal violence between 1980 and 2014. Mortality rates for drug use disorders increased both nationally and in each county over the same period.
The investigators found that antisocial (β=0.23) and borderline (β=0.20) personality disorders were strongly associated with cannabis use as well as with cannabis use disorder.
The findings of these analyses suggest that, to an extent, this relationship might be generalized to cannabis users as a whole, not just those diagnosed with a cannabis use disorder.
Online marijuana searches grew by 98 percent as a proportion of all searches from 2005 to 2017.
Researchers calculated age-standardized mortality rates on a county level in the United States between 1980 and 2014, specifically examining rates for self-harm, interpersonal violence, alcohol use, and drug use.
Both early-onset cannabis users and late-onset cannabis users had an increased risk for psychotic experiences at age 18.
Frequent cannabis use was associated with subsequent hypomania.
Cannabis use disorder is also rising faster in states that have legalized marjiuana.
The crystal structure may provide inspiration for designing drugs that refine efficacy and avoid adverse events.
Researchers find heavy users have lower bone density than cigarette smokers.
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