Adults Don't Think Exposure To Secondhand Vapor From E Cigarettes Is Bad For Kids : Shots Health News : NPR Millions of people are exposed to secondhand smoke every day. People living in multi unit housing are some of the most exposed. The only way to fully protect people from secondhand smoke at 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 Should I Be Concerned About Secondhand Vaping? Tobacco Smoke, Vaping, and Asthma AAFA.org