A recent study, published in the Journal of Addiction, has examined the association of cannabis use, cannabis use disorder and symptoms of psychosis, depression and anxiety in an adolescent and adult sample. The researchers also examined the differences in these associations and the onset of cannabis use and sex differences.

Highlights of results:

• Cannabis use was associated with psychotic symptoms following age 22, with depressive symptoms from ages 16–19 and following age 25, but not with anxiety symptoms.
• Cannabis Use Disorder was associated with psychotic symptoms following age 23...

Highlights

Pre-existing mental disorders increases the risk of developing SUD.

• Prior SUD increases the risk of transitioning from use to use disorder.
• Highest rates of transition to SUD occurred among stimulant and opioid users.
• Mood and anxiety disorders increased the risk of transitioning to AUD and CUD.
• The rapidity of transition to SUD emphasizes the narrow opportunity to intervene.

Abstract

Background

Relatively little is known about factors that may lead to the development of a substance use disorder (SUD), across a range of drug classes. This study aimed to identify...

With legalization of recreational cannabis looming, The Schizophrenia Society of Canada wants young people to understand the risks of using the drug.

The society has launched a new website to increase awareness.

‘Cannabis and Psychosis: Explore the Link’ aims to provide comprehensive and accessible information to help youth better understand the issue.

The website states: “Regular cannabis use impacts the development of a chronic life-long psychotic disorder in at risk individuals and is associated with an earlier age of onset of psychosis. However, there is currently no way to...