Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC Debunking 7 Myths About Secondhand Smoke Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center 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 Composition of electronic cigarette aerosol Wikipedia