Surgeon General Calls E Cigarettes a "Major Health Concern" for Teens The Atlantic More Than 90 Percent Of Smokers Using E cigarettes Still Smoking A Year Later Georgia State University News Press Releases, Research, School of Public Health, University Research Health & Wellness The great e cigarette war BBC News 10 Little known Facts About E cigarettes HowStuffWorks Growing e cigarette trend leaves questions E cigarettes may be 'no better' than regular cigarettes Vaping The Guardian