Researchers Warn of Potential Harm From E Cigarette Secondhand Vapor AZPM Tobacco Smoke, Vaping, and Asthma AAFA.org Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Secondhand vape exposure: Risks and side effects Can I be Affected by Secondhand Vape Smoke? Vaping Around Babies How Secondhand Vapor Smoke Can Harm Kids