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 The health risks of secondhand smoke are widely understood. But what about secondhand vaping? Parents using e cigs expose kids to dangerous secondhand vapor Futurity