With many adolescents experimenting with cannabis and the variety of cannabis products available with each product varying in their THC level, mechanism of use, and intoxicating effects experienced, this study aimed to determine whether certain products are associated with persistent or frequent use among adolescents who experiment with cannabis. This study included students from 10 public high schools in Los Angeles, California, with baseline data assessed during their 11th grade year and follow up data assessed during their senior year. The baseline included students who reported either no...

Cannabis is one of the most widely used psychoactive substances in Canada.

The complex relationship between cannabis use and mental disorders has garnered significant attention as a public health issue

This is the first in a series of reports, published by the Canadian Centre on Substance Use and Addiction (CCSA), that reviews the effects of cannabis use on various aspects of human functioning and development.

The report on the effects of regular cannabis use on mental health provides an update of a previous report with new research findings that validate and extend our current...

With cannabis the most commonly used drug globally, the perception of the risk associated with cannabis use declining among young adults, and the adverse health conditions associated with cannabis use, understanding whether perceptual patterns exist among young adults, whether perception influences their consumption of cannabis, and the relationship between their perception and sources of drug information, are important public health concerns. 

In this survey of 1,851 young adults aged 18-29 years from the University of Cordoba in Spain, three perception styles were found to exist, with 53...

Abstract

Aims

To estimate trends in the prevalence of cannabis use and risk perceptions of cannabis use from 2005 to 2017 among United States people with and without depression.

Design

Linear time trends of the prevalence of any, daily and non‐daily past 30‐day cannabis use and perceived great risk associated with regular cannabis use (outcome variables) among people with and without past‐year depression were assessed using logistic regression with survey year as the predictor. All analyses were adjusted for gender, age, race/ethnicity and income; models assessing time trends of...

Delta 9‐tetrahydrocannabinol - a psychoactive compound found in cannabis - activates parts of the brain responsible for cognition, perception, anxiety, fear, memory and reward.

There are continuous debates about the link between cannabis use and psychotic disorders.

Some researchers believe cannabis use is one of the contributing risk factors that cause people to develop psychotic disorders. In contrast, other researchers argue that there is a shared vulnerability, and risk factors for the development of a psychotic disorder may also play a role in the presence of addictive behaviours.