Does Vaping Cause Secondhand Smoke? 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 smoke from cigarettes worse than vapes UPI.com Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals Secondhand vape exposure: Risks and side effects