Cannabis and the Developing Brain: Insights Into Its Long-Lasting Effects
8250 • The Journal of Neuroscience, October 16, 2019 • 39(42):8250–8258 Mini-Symposium Cannabis and the Developing Brain: Insights into Its Long-Lasting Effects Yasmin L. Hurd,1 XOlivier J. Manzoni,2 Mikhail V. Pletnikov,3 Francis S. Lee,4 Sagnik Bhattacharyya,5 and X Miriam Melis6 1Department of Psychiatry and Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, New York 10029, 2Aix Marseille University, Institut National de la Sante´ et de la Recherche Me´dicale, Institut de neurobiologie de la méditerranée, 13273 Marseille, France, and Cannalab, Cannabinoids Neuroscience Research International Associated Laboratory, Institut National de la Sante´ et de la Recherche Me´dicale, 13273 Marseille, France, 3Department of Psychiatry and Behavioral Sciences, Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, 4Department of Psychiatry, Sackler Institute for Developmental Psychobiology, Weill Cornell Medical College, New York, New York 10065, 5Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 8AF, United Kingdom, and 6Department of Biomedical Sciences, Division of Neuroscience and Clinical Pharmacology, University of Cagliari, 09042 Cagliari, Italy The recent shift in sociopolitical debates and growing liberalization of cannabis use across the globe has raised concern regarding its impact on vulnerable populations, such as pregnant women and adolescents. Epidemiological studies have long demonstrated a rela- tionship between developmental cannabis exposure and later mental health symptoms. This relationship is especially strong in people with particular genetic polymorphisms, suggesting that cannabis use interacts with genotype to increase mental health risk. Seminal animalresearchdirectlylinkedprenatalandadolescentexposuretodelta-9-tetrahydrocannabinol,themajorpsychoactivecomponentof cannabis, with protracted effects on adult neural systems relevant to psychiatric and substance use disorders.
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