Researchers Warn of Potential Harm From E Cigarette Secondhand Vapor AZPM Parents using e cigs expose kids to dangerous secondhand vapor Futurity 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 Symptoms Of Second hand Vape Smoke Secondhand smoke and secondhand aerosol Second hand vape smoke linked to more asthma symptoms in kids Children at risk: Emory study uncovers the hidden dangers of secondhand vape exposure