Early research says secondhand smoke from vaping may not be as bad as cigarettes, but it's still not harmless. https: fox59.com news national world does vaping cause secondhand smoke doctors explain the side effects Understanding Secondhand Vape Dangers and Their Impact on Your Lungs Tobacco Smoke, Vaping, and Asthma AAFA.org 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 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 Secondhand Smoke vs Vape: What the Science Says