Importance of a Standard Unit Dose for Cannabis Research

Volkow, N. D., & Weiss, S. R. (2020). Importance of a standard unit dose for cannabis research. Addiction.
Publication Date

A standardized measure for 9‐tetrahydrocannabinol (THC) content in cannabis products is necessary to advance research both on the adverse effects of cannabis (e.g. risks for brain development, mental illness and addiction) and on the drug's potential medical uses.

Heavy Cannabis Use, Dependence and the Brain

Kroon, E., Kuhns, L., Hoch, E., and Cousijn, J. ( 2020) Heavy cannabis use, dependence and the brain: a clinical perspective. Addiction, 115: 559– 572.

Although cannabis use disorder (CUD) is one of the most common substance use disorders (SUDs), the impact of CUD on the brain remains unclear and understudied.

In a recent article, published in Addiction journal, researchers from the University of Amsterdam and Ludwig Maximilan University have brought together the existing research on the relationship between heavy cannabis use, cannabis use disorder (CUD) and the brain.

Clearing the Smoke on Cannabis: Regular Use and Mental Health

Published by

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.

Rapid Increase in the Prevalence of Cannabis Use Among People with Depression in the United States, 2005–17: The Role of Differentially Changing Risk Perceptions

Pacek, L. R., Weinberger, A. H., Zhu, J., & Goodwin, R. D. (2019). Rapid increase in the prevalence of cannabis use among persons with depression in the US, 2005‐2017: the role of differentially changing risk perceptions. Addiction.
Publication Date



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.

Unintended Consequences of the Cannabis Panacea: What Addiction Specialists Need to Know


Wednesday, October 28, 2020 @ 3-4:00pm ET (2CT/1MT/12PT)


Hailed as safe, natural and a potential cure-all by the public, both medical and recreational cannabis is quickly becoming legal and mainstream across the country. While it has the potential to help fill state coffers, there are many unintended consequences that will mean big challenges for addiction specialists.

Benefits and Harms of Medical Cannabis: A Scoping Review of Systematic Reviews

Pratt, M., Stevens, A., Thuku, M. et al. Benefits and harms of medical cannabis: a scoping review of systematic reviews. Syst Rev 8, 320 (2019) doi:10.1186/s13643-019-1243-x
Publication Date



There has been increased interest in the role of cannabis for treating medical conditions. The availability of different cannabis-based products can make the side effects of exposure unpredictable. We sought to conduct a scoping review of systematic reviews assessing benefits and harms of cannabis-based medicines for any condition.

Psychotic Disorders Hospitalisations Associated with Cannabis Abuse or Dependence

Gonçalves‐Pinho, M, Bragança, M, Freitas, A. Psychotic disorders hospitalizations associated with cannabis abuse or dependence: A nationwide big data analysis. Int J Methods Psychiatr Res. 2019;e1813.
Publication Date

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.

RSMj 2020 4th Annual Scientific Meeting

Boston, United States,

The 4th Annual Scientific Meeting of the Research Society on Marijuana (RSMj) will be held from July 24-26, 2020 in Boston, MA.