E Cigarettes (Vapes) Smoking and Tobacco Use CDC Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA 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 It's important to protect children from cigarette smoke, and it's just as important to do the same with vaping. Secondhand vape smoke aerosol isn't harmless It contains tiny particles that can How secondhand smoke, thirdhand smoke & vaping affects kids