Controversial Use of E cigarettes and Vaping A "Heated" Debate Summa Health E cigarettes stub out the tobacco industry's success World Finance Vaping may raise cancer and heart disease risk, study suggests Medical research The Guardian Landmark E Cigarette Report Explodes Myth that Vaping Is as Toxic as Smoking E Cigarettes Are Effective at Helping Smokers Quit, a Study Says The New York Times A brief history of e cigarettes