E cigarettes increase harm to smokers, so should not be promoted as a harm reduction strategy (in 10 slides) Stanton Glantz blog Study Finds Increase in Number of U.S. Adults Who Perceive E cigarettes More Harmful than Traditional Cigarettes Georgia State University News Faculty, Press Releases, Research, School of Public Health, University Research Is Vaping Worse Than Smoking? A Clear Look at the Differences Pod Salt UK Research & Commentary: Despite Scientific Evidence, More Americans Believe E Cigarettes Are as Harmful as Tobacco Cigarettes The Heartland Institute