Tobacco Smoke, Vaping, and Asthma AAFA.org What harm does second hand fumes from vaping cause to young lungs? Medical experts want to know ABC11 Raleigh Durham 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 Vaping Produces Far Less Second Hand Nicotine Than Smoking Respiratory Therapy