Symptoms Of Second hand Vape Smoke 2nd Hand Vape Smoke Side Effects Health experts say not Secondhand vape plumes could form lung damaging radicals American Chemical Society 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 Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC