Adults aged 18 to 34 had the highest frequency of marijuana use compared with all other age groups. A small percentage of respondents reported using multiple different forms of marijuana per year.
Experimental studies have shown that the primary psychoactive ingredient in cannabis can induce psychotic symptoms in otherwise healthy individuals.
Overall, 14.6% of US adults report marijuana use in the past year.
Physicians play an important role in educating individuals about the risks of impaired driving caused by marijuana or opioids.
Marijuana use is associated with increased cough and sputum production. Limited data exists to assess the relationship between marijuana use and pulmonary function and obstructive lung disease.
Senator Elizabeth Warren introduced a bipartisan bill in June 2018 (S.3032) that would exempt most marijuana-related activities from the Controlled Substances Act when they are allowed under state or tribal law.
These data suggest that marijuana use, particularly non-medical use, is associated with poorer depression and anxiety outcomes in psychiatric patients.
Marijuana usage is increasing in adolescents, and the rate of comorbidity with mood and anxiety disorders is high. These findings may aid in identifying adolescents who are potentially at risk.
Users of synthetic marijuana products and health care providers should be aware of the risk of bleeding associated with contamination of synthetic cannabinoid products with brodifacoum.
Most US adults believe that marijuana has at least 1 benefit.
These data may be useful to clinicians in gaining insight on the potential risks of cannabis use among their patients with anxiety or mood disorders.
Across adult age categories, there was an increase in the prevalence of daily cannabis use after 2007.
The association of cannabis use with symptoms of psychosis underscores the need for targeted cannabis use prevention.
Cannabis use is associated with psychosis symptoms during adolescence.
Researchers emphasized the necessity of developing targeted interventions to address such health disparities among American Indian communities.
A substantial proportion of these individuals diagnosed with HIV, psychiatric disorders, and substance use disorders are out of care and urgently require intervention.
Patients who use medical marijuana may be more likely to use prescription drugs for both medical and nonmedical purposes.
These data may be helpful in titrating care for those with schizotypal disorder and comorbid substance abuse disorders to mitigate the risk for conversion to schizophrenia.
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.
Δ9-Tetrahydrocannabinol (THC) is the main psychoactive chemical ingredient in cannabis.
One minute of exposure impaired endothelial function in rats for at least 90 minutes.
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