1. Katherine Schaeffer. “9 Facts About Americas and Marijuana.” Pew Research Center. 4 Apr 2024

2. “Marijuana and Drug Policy on the Ballot.” New York Times. 6 Dec 2024

3. Chloe J. Jordan and Susan L. Andersen.  “Sensitive Periods of Substance Abuse: Early Risk for the Transition to Dependence.” Developmental Cognitive Neuroscience.  June 2017

4. Nora D. Volkow, Gene-Jack Wang, Frank Telang, Joanna S. Fowler, David Alexoff, Jean Logan, Millard Jayne, Christopher Wong, and Dardo Tomasi.  “Decreased Dopamine Brain Reactivity in Marijuana Abusers is Associated with Negative Emotionality and Addiction Severity.”  Proceedings of the National Academy of Sciences of the United States of America (PNAS).  14 July 2014

5. Edmund Silins, PhD; L. John Horwood, MSc; George C. Patton, MD; David M Fergusson, PhD; Craig A. Olsson, PhD; Delyse M Hutchinson, PhD; Elizabeth Spry, BA; John W Toumbourou, PhD; Louisa Degenhardt, PhD; Wendy Swift, PhD; Carolyn Coffey, PhD; Robert J Tait, PhD; Primrose Letcher, PhD; Jan Copeland, PhD; and Richard P Mattick, PhD.  “Young Adult Sequelae of Adolescent Cannabis Use: An Integrative Analysis.”  The Lancet Psychiatry. September 2014

6. Jean-François G. Morin, BA; Mohammad H. Afzali, PhD; Josiane Bourque, MSc, Sherry H. Stewart, PhD, Jean R. Séguin, PhD, Maeve O’Leary-Barrett, PhD, Patricia J. Conrod, PhD.  “A Population-Based Analysis of the Relationship Between Substance Use and Adolescent Cognitive Development.”  American Journal of Psychiatry.  3 Oct 2018

7. The National Academies of Sciences, Engineering and Medicine.  “The Health Effects of Cannabis and Cannabinoids.”  Committee on the Health Effects of Marijuana: An Evidence Review and Research Agenda Board on Population Health and Public Health Practice, Health and Medicine Division.  The National Academies Press:  Washington, DC.  2017