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 Is Secondhand Vape Smoke Harmful Smoking and Lungs: Understanding the Impact on Breathing and Your Options SMOKO E Cigarettes Second hand smoke in Santa Ana The Spellbinder Study finds cannabis vaping more harmful than nicotine vaping