Should I Be Concerned About Secondhand Vaping? Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Health Effects of Vaping Smoking and Tobacco Use CDC Why Are E cigarettes Dangerous? Hackensack Meridian Health Scientists Warn Against Breathing in Secondhand Vape 'Smoke' Newsweek Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA