According to a Centers for Disease Control and Prevention (CDC) study, 40% of U.S. adults believe that children's exposure to secondhand aerosol from e cigarettes causes only some or little harm, and 5% 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 Symptoms Of Second Hand Vape Smoke Debunking 7 Myths About Secondhand Smoke The Issues of Testing for Secondhand Smoke. Indoor Science Symptoms Of Second Hand Vape Smoke Can Second Hand Vape Smoke Affect Pregnancy The Real Risks of Vaping While Pregnant Thirdhand Smoke Resource Center Protecting Californians