Advocating for Evidence Based Marijuana Policy
Category Archives: Potency
High-Potency Cannabis Linked to Brain Damage, Experts Warn
by Liam Davenport
Medscape Psychiatry & Mental Health, December 15, 2015
WTR-RI Research & Analysis Team Comment:
This study, Effect of high-potency cannabis on corpus callosum microstructure was conducted by Silvia Rigucci, MD, Department of Neurosciences, Mental Health and Sensory Organs, Sapienza University of Rome, Italy in collaboration with colleagues at the Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, UK.
Results indicate that regular use of today’s high potency strains of marijuana “is associated with disturbed callosal microstructure organization in individuals with and without psychosis”. (see abstract at http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=10044996&fulltextType=RA&fileId=S0033291715002342)
As the Medscape summary article notes, “Smoking high-potency, or “skunk”-like, cannabis may cause white matter damage in the corpus callosum, thus interfering with communication between the right and left hemispheres of the brain …” (see summary at article at http://www.medscape.com/viewarticle/855971?nlid=93987_2051&src=wnl_edit_medn_psyc&uac=238333HT&spon=12&impID=924712&faf=1#vp_1).
Identifying teens at risk for hashish use
New York University. (2015, April 13). Identifying teens at risk for hashish use. ScienceDaily. Retrieved April 14, 2015 from http://www.sciencedaily.com/releases/2015/04/150413091645.htm
Joseph J. Palamar, Lily Lee, Michael Weitzman. Prevalence and correlates of hashish use in a national sample of high school seniors in the United States. The American Journal of Drug and Alcohol Abuse, 2015; 1 DOI: 10.3109/00952990.2015.1011745