Secondhand smoke and secondhand aerosol 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 Secondhand vape plumes could form lung damaging radicals American Chemical Society Avoiding Tobacco Smoke and E Cigarette Aerosol Is a Key Part of Asthma Management Asthma and Allergy Foundation of America 5 Vaping Facts You Need to Know Johns Hopkins Medicine