Cannabis potency, defined as the concentration of Δ 9-tetrahydrocannabinol (THC), has
increased internationally, which could increase the risk of adverse health outcomes for …

Background and aims Cannabis products with high delta‐9‐tetrahydrocannabinol (THC)
concentrations carry an increased risk of addiction and mental health disorders, while it has …

Decades of research have revealed numerous risk factors for mental disorders beyond
genetics, but their consistency and magnitude remain uncertain. We conducted a “meta …

Background Cannabis use is associated with increased risk of later psychotic disorder but
whether it affects incidence of the disorder remains unclear. We aimed to identify patterns of …

Through the potency monitoring program at the University of Mississippi supported by
National Institute on Drug Abuse (NIDA), a total of 18108 samples of cannabis preparations …

Abstract Purpose of Review We review recent developments on risk factors in
schizophrenia. Recent Findings The way we think about schizophrenia today is profoundly …

The sale of cannabis for adult recreational use has been made legal in nine US states since
2012, and nationally in Uruguay in 2013 and Canada in 2018. We review US research on …

With a political debate about the potential risks and benefits of cannabis use as a backdrop,
the wave of legalization and liberalization initiatives continues to spread. Four states …

Importance Laws and attitudes toward marijuana in the United States are becoming more
permissive but little is known about whether the prevalence rates of marijuana use and …

The dopamine hypothesis is the longest standing pathoetiologic theory of schizophrenia.
Because it was initially based on indirect evidence and findings in patients with established …