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 How secondhand smoke, thirdhand smoke & vaping affects kids Secondhand Vape Exposure: Effects, Who's at Risk, and More 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 Avoiding Tobacco Smoke and E Cigarette Aerosol Is a Key Part of Asthma Management Asthma and Allergy Foundation of America Secondhand vaping may pose risk to your kids: New study