Vaping Versus Smoking: Are Electronic Cigarettes the Savior? Arteriosclerosis, Thrombosis, and Vascular Biology Do E Cigarettes Do More Good Than Harm? WSJ E cigarettes less addictive than cigarettes, PATH study shows Penn State University Most E cigarette Users Ages 18 to 29 Never Smoked Before American Cancer Society Nicotine pharmacokinetics of electronic cigarettes: A pooled data analysis from the literature ScienceDirect