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 the most popular illicit drug in the Western world. Repeated cannabis use has
been associated with short‐and long‐term side effects, including respiratory and …

Schizophrenia risk has often been conceptualized using a model which requires two hits in
order to generate the clinical phenotype—the first as an early priming in a genetically …

The laws governing cannabis are evolving worldwide and associated with changing
patterns of use. The main psychoactive drug in cannabis is Δ 9-tetrahydrocannabinol (THC) …

Conduct disorder is a childhood behaviour disorder that is characterized by persistent
aggressive or antisocial behaviour that disrupts the child's environment and impairs his or …

Psychotic syndromes can be understood as disorders of adaptation to social context.
Although heritability is often emphasized, onset is associated with environmental factors …

Cannabis, or marijuana, has been used for medicinal purposes for many years. Several
types of cannabinoid medicines are available in the U nited S tates and C anada …

For over two decades, cannabis, commonly known as marijuana, has been the most widely
used illicit drug by young people in high-income countries, and has recently become …

Aims To examine changes in the evidence on the adverse health effects of cannabis since
1993. Methods A comparison of the evidence in 1993 with the evidence and interpretation of …

Psychiatric comorbidities are common among patients with schizophrenia. Substance abuse
comorbidity predominates. Anxiety and depressive symptoms are also very common …