A new study, out now in Drug and Alcohol Dependence, that details trends among psychiatric hospitalizations between 2015-2019 finds that while most hospitalizations did not involve any substances, methamphetamine-related hospitalizations have increased while…

This cohort study examines the association of decriminalization of drug possession with fatal drug overdose rates in Oregon while accounting for the rapid spread of fentanyl in the state’s unregulated drug market.

An examination of millions of patient visits to primary care physicians shows that mental health concerns are second only to musculoskeletal complaints in everyday care. One in nine patients was seeking care primarily because of a mental health concern.

People with antisocial personality disorder are more prone to severe alcohol, cannabis, and tobacco misuse, particularly hazardous use, highlighting the need for tailored treatment strategies for this high-risk population.

Study finds link to increase in pain threshold

New research reports that cannabis users' risk of developing psychotic disorders appears to decrease with time once they stop using the drug.

This cohort study of more than 13 million individuals aged 14 to 65 years examines changes in the population-attributable risk fraction for cannabis use disorder associated with schizophrenia after liberalization of medical cannabis and legalization of nonmedical…

The persistent higher rate of alcohol deaths in England since the pandemic in 2020 is an “acute crisis” requiring urgent action from government, according to a new study led by researchers at UCL and

This cohort study examines changes in cannabis use and misuse in the 5 years following legalization in Canada both overall and by prelegalization cannabis use frequency.

A large percentage of American children are growing up in households with at least one parent who uses alcohol or other drugs in problematic ways—raising the risk that those children will go on to do the same, a new study suggests.

Background: Recent studies have quantified the rate of fatal overdoses that involve opioids, stimulants, and other drugs, but the proportion of overdose deaths attributable to these substances – af...

A US study of more than a million Medicaid enrollees, newly diagnosed with opioid use disorder (OUD), finds most – nearly seven in 10 – are not receiving access to potentially life-saving drugs within six months.  The major gap in access to these medications…

An analysis of World Health Organization data indicates that while psychiatric distress is common among psychedelic users, reports of overdose, cardiac issues, and congenital disorders remain surprisingly infrequent in real-world settings.