Don't Be Fooled, E cig Aerosol Is Not Harmless for Kids American Lung Association Researchers Warn of Potential Harm From E Cigarette Secondhand Vapor AZPM Secondhand Vape Exposure: Effects, Who's at Risk, and More Secondhand vape exposure: Risks and side effects Children at risk: Emory study uncovers the hidden dangers of secondhand vape exposure Sitting somewhere when a cloud of cotton candy vapor washes over you? If you can smell the sweet scent of a vape, that's not a great sign.