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 Frontiers E Cigarette Use Among Adolescents: An Overview of the Literature and Future Perspectives E cigarettes alter inflammatory state of brain, heart, lungs and colon, research shows Research & Commentary: Despite Scientific Evidence, More Americans Believe E Cigarettes Are as Harmful as Tobacco Cigarettes The Heartland Institute