E Cigs and Second Hand Vaping: Dangers and Protections 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 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 In secondhand vape, scientists smell risk American Heart Association Effect of second hand fumes from vaping on young lungs