Source:Johnston, L. D., O’Malley, P. M., Miech, R. A., Bachman, J. G., & Schulenberg, J. E. (2015). Monitoring the Future national results on drug use: 1975-2015: Overview, Key Findings on Adolescent Drug Use. Ann Arbor: Institute for Social Research, The University of Michigan.
Source:West Virginia Department of Health & Human Resources. Addressing Tobacco Use and Its Associated Health Conditions in West Virginia. Charleston, WV: West Virginia Department of Health & Human Resources, Bureau for Public Health, West Virginia Division for Tobacco Prevention, Office of Community Health Services and Health Promotion, 2016.
Source:American Nonsmokers' Rights Foundation (ANRF). Smokefree and Tobacco-free U.S. and Tribal Colleges and Univeristies. Retrieved from http://no-smoke.org/wp-content/uploads/pdf/smokefreecollegesuniversities.pdf