Vaping: What you need to know NIH MedlinePlus Magazine Where There's Vapor, Is There Fire? We Need Evidence on E Cigarettes RAND Tobacco Control Chronic Disease Prevention & Health Promotion Division Electronic Cigarettes Chart: Teenagers Two to Three Times More Likely to Vape Than Smoke Statista Flavored vapes led to a major shake up at the FDA 3 health policy analysts explain the science behind the controversial products F.D.A. Targets Vaping, Alarmed by Teenage Use The New York Times