E-cigarette | Characteristics, Safety Issues, & Regulation | Britannica
Health Risks of E-cigarettes, Smokeless Tobacco, and Waterpipes | Cancer.Net
E-Cigs and Toddlers: Beware | Poison Control
E-Cigarettes: MedlinePlus
Electronic cigarette - Wikipedia
Electronic cigarettes: Help or hazard? - Harvard Health
E-cigarettes can produce more formaldehyde than regular cigarettes, study says - Los Angeles Times
Explainer: what are electronic cigarettes?
E-cigarette | Characteristics, Safety Issues, & Regulation | Britannica
Electronic Cigarettes: How They Work, Risk, Cost, Benefit & More
Electronic Cigarettes: New Route to Smoking Addiction For Adolescents | UC San Francisco
E-cigarettes, heat-not-burn and smokeless tobacco products | European Respiratory Society
E-cigarettes: a step forward for smokers, or a step into the unknown? | Vaping | The Guardian
Adoption of E-cigarettes for Smoking Cessation in 2017 Low and Ineffective
E-cigarettes: How they work, risks, and research
E-cigarettes: How they work, risks, and research
What's So Bad About E-Cigarettes?
Tobacco Control – Chronic Disease Prevention & Health Promotion Division | Electronic Cigarettes
E-cigarettes | Models and Mechanisms of Public Health
Electronic Cigarettes - Pact Coalition
How Electronic Cigarettes Work | HowStuffWorks
E-cigarettes threaten to undo years of gains: Our view
Laguna Beach nixes regulations on e-cigarettes – Orange County Register
