E Cig Vapor Or Secondhand Smoke: Which Is Worse For You? YouTube 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 Thirdhand Smoke Resource Center Protecting Californians Parents using e cigs expose kids to dangerous secondhand vapor Futurity Does Vape Have Second Hand Smoke Secondhand vaping may pose risk to your kids: New study How Long Does Second Hand Smoke Stay in Your System