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 Does Vaping Cause Secondhand Smoke? In secondhand vape, scientists smell risk American Heart Association Thirdhand Smoke Resource Center Protecting Californians Chemicals