Background: There is a growing interest in the use of cannabis (and its extracts), as well as
CBD oil (hemp extracts containing cannabidiol), for therapeutic purposes. While there is …

Importance Cannabis is the most commonly used drug of abuse by adolescents in the world.
While the impact of adolescent cannabis use on the development of psychosis has been …

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

Cannabis use has been reported to induce long-lasting psychotic disorders and a dose-
response relationship has been observed. We performed a systematic review of studies that …

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 …

Cannabis is globally the most commonly used psychoactive substance under international
control. In 2013, an estimated 181.8 million people aged 15− 64 years used cannabis for …

Cannabis use has been associated with impaired cognition during acute intoxication as well
as in the unintoxicated state in long-term users. However, the evidence has been mixed and …

Importance Cannabis use is increasing worldwide and is suspected to be associated with
increased risk of psychiatric disorders; however, the association with affective disorders has …

Importance Historical shifts are occurring in marijuana policy. The effect of legalizing
marijuana for recreational use on rates of adolescent marijuana use is a topic of …

Associations between cannabis use and psychotic outcomes are consistently reported, but
establishing causality from observational designs can be problematic. We review the …