E Cigarettes Are Effective at Helping Smokers Quit, a Study Says The New York Times Controversial Use of E cigarettes and Vaping A "Heated" Debate Summa Health Largest US study of e cigarettes shows their value as smoking cessation aid 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 Study reveals how salt based nicotine and menthol flavors influence e cigarette use in young adults