Author | Tony P. George, MD, FRCPC


8 Distinguishing Features of Primary Psychosis Versus Cannabis-Induced Psychosis

August 04, 2017


The authors compare the clinical features of idiopathic psychosis (eg, schizophrenia) with cannabis-induced psychosis.

Cannabis-Induced Psychosis: A Review

July 14, 2017


Numerous lines of evidence suggest a correlation between cannabis consumption and a variety of psychiatric conditions, including cannabis-induced psychosis.

Referral Strategies for Patients With Co-Occurring Substance Use and Psychiatric Disorders

December 23, 2013


This article provides an overview of research concerning referral strategies for patients with substance use disorder and co-occurring disorders in the emergency department.

Psychiatry 2013 and DSM-5

December 19, 2013


Here: a succinct review of some of the potential promises and pitfalls of DSM-5.

Schizophrenia, Neurocognitive Dysfunction, and Substance-Related Disorders: A Review

October 14, 2013


The authors evaluate the effects of nicotine and cannabis on neurocognitive function in individuals with schizophrenia and review potential pharmacological treatment strategies.

Understanding the Neurobiological Basis of Drug Abuse: Comorbidity in Schizophrenia

February 12, 2013


It is clear that the prognosis for schizophrenia is much better when patients achieve drug abstinence, including in the domains of depression, quality of life, and community integration.

Glutamate and Psychiatry in 2012-Up, Up and Away!

December 12, 2012


This article reviews the recent knowledge about glutamate in different psychiatric conditions based on research published in the past year.

Medical Marijuana: Regulations Surrounding Its Use

September 14, 2012


Disparate means of accessing marijuana complicates the evaluation of the quality, purity, and potency of cannabis.

The Cannabis-Psychosis Link: Mind Your Mind

June 28, 2012


Evidence suggests that cannabis is associated with an increased risk of psychosis when it is used frequently. Marijuana doesn't count, does it?

The Cannabis-Psychosis Link

January 12, 2012


While research suggests that cannabis use can induce an acute psychotic state, there is controversy about whether it may precipitate psychotic disorders, such as schizophrenia. These authors offer an update on this important issue and provide clinically useful recommendations.