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 Parents using e cigs expose kids to dangerous secondhand vapor Futurity Tobacco Smoke, Vaping, and Asthma AAFA.org Frequently Asked Questions Thirdhand Smoke Resource Center Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times