How Second hand Smoking Affects Pets Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals 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 Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Secondhand smoke and secondhand aerosol