Researchers Warn of Potential Harm From E Cigarette Secondhand Vapor AZPM Tobacco Smoke, Vaping, and Asthma AAFA.org Secondhand Vape Exposure May Be Risky for Asthmatic Teens UCT Lung Institute Effects Of Second Hand Vape Smoke Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use Can you get second hand smoke from a vape Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN