In secondhand vape, scientists smell risk American Heart Association The Health Risks Of E Cigarettes Versus Traditional Cigarettes Henry Ford Health Detroit, MI The Dangers of Vaping & E Cigarettes I'll say it again: E cigarettes are still far safer than smoking Science The Guardian Are Electronic Cigarettes the New Trend? Office for Science and Society McGill University How Switching to E Cigarettes After Smoking Cessation Affects Lung Cancer Risk