Effects of Secondhand Smoke: Dangers, Prevention, and More Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA What Are the Risks from Secondhand Vape Smoke? NVB Inc. When someone vapes around others they expose them to 'second hand aerosol'. But what happens to that aerosol then? Does it disappear or is it like cigarette smoke and stays around, sticking to Experts urge parents not to vape near kids as study finds second hand vapor causes build up of chemicals linked to CANCER Daily Mail Online Health Effects from Secondhand Exposure to E Cigarettes: A Systematic Review of Peer Reviewed Articles from 20042024