Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Complete Guide to Secondhand Vaping Devices Vape Direct Health experts say not to 'vape' around children, because the secondhand aerosol (it isn't vapor) from e cigs isn't safe for them Kentucky Health News Secondhand smoke and secondhand aerosol Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA