The Generation That Will Always Be Too Young to Smoke The New Yorker 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 Juul study shows secondhand vaping emissions are less toxic than cigarette smoke How secondhand smoke, thirdhand smoke & vaping affects kids The health risks of secondhand smoke are widely understood. But what about secondhand vaping?