Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London E Cigs and Second Hand Vaping: Dangers and Protections 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. Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Secondhand exposure to vaping can cause serious respiratory issues study The Jerusalem Post