Does cannabis create thirdhand smoke? Thirdhand Smoke Resource Center The Dangers of Secondhand & Thirdhand Smoke Exposure Does Vaping Cause Secondhand Smoke? Researchers Warn of Potential Harm From E Cigarette Secondhand Vapor AZPM 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