E Cigarettes (Vapes) Smoking and Tobacco Use CDC Prevalence and Distribution of E Cigarette Use Among U.S. Adults: Behavioral Risk Factor Surveillance System, 2016 Annals of Internal Medicine Vaping shops say FDA regulation could put them out of business Los Angeles Times Qubec s'attaque au vapotage et au tabac sur les terrasses E cigarettes may be 'no better' than regular cigarettes Vaping The Guardian