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 Vaping not only affects your own health, it can also harm your loved ones and those around you. Passive (or second hand) vaping can happen when you're vaping in the same room, Project Filter Secondhand Vape Informational Poster #1 Idaho Health Tools Researchers Warn of Potential Harm From E Cigarette Secondhand Vapor AZPM