Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Vaping or smoking impacts those around you., Even passive mist from vapes and smoke from cigarettes can harm others. , Its your choice to vape or smoke but do your friends have a choice too? The research looked at the chemical composition of "vape smoke" and assessed its cancer risk using data from published animal studies. Read more Gotcha! Vapes do not emit harmless water vapor. People exposed to toxic vape aerosols absorb nicotine, with one study showing levels comparable to passive smokers. Learn more about vape aerosols at https: www.smokefreeathomenm.org e cigarettes and The Impact of Smoking and Vaping on Respiratory Health Blog