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) …

Cannabis is the most widely used illicit drug worldwide. Regular cannabis use has been
associated with a range of acute and chronic mental health problems, such as anxiety …

Background: In recent years, growing concerns about the effects of cannabis use on mental
health have renewed interest in cannabis research. In particular, there has been a marked …

Smoking cannabis produces a diverse range of effects, including impairments in learning
and memory. These effects are exerted through action on the endocannabinoid system …

The past few decades have seen a marked change in the composition of commonly smoked
cannabis. These changes primarily involve an increase of the psychoactive compound∆ 9 …

Research evidence suggests a dose–response relationship for the association between
cannabis use and risk of psychosis. Such relationship seems to reflect an increased risk of …

BackgroundWe conducted a systematic review to assess the evidence for specific effects of
cannabis on brain structure and function. The review focuses on the cognitive changes …

Cannabis (also known as marijuana) is the most frequently used illicit psychoactive
substance in the world. Though it was long considered to be a “soft” drug, studies have …

The high and increasing prevalence of medical marijuana consumption in the general
population invites the need for quality evidence regarding its safety and efficacy. Herein, we …

Prospective epidemiological studies have consistently demonstrated that cannabis use is
associated with an increased subsequent risk of both psychotic symptoms and …