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 Is Secondhand Vape Smoke Bad For Pregnancy? Experts Explain The Risks Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA Is Second Hand Vape Smoke Bad For You? Learn How to Avoid its Side Effects Juul study shows secondhand vaping emissions are less toxic than cigarette smoke Secondhand Vape Exposure May Be Risky for Asthmatic Teens UCT Lung Institute