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 Effect of second hand fumes from vaping on young lungs Secondhand Electronic Cigarette Aerosol and Indoor Air Quality US EPA Secondhand smoke is harmful to those around you, putting them at risk for serious health issues. Protect your loved ones from the dangers of secondhand smoke by getting started with 802 Quits Is It Safe To Smoke A Vape Around A Pregnant Woman? Second Hand Vaping: Minimal Impact Compared to Smoking