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 Secondhand Smoke Social Media Message Library Tobacco Education Clearinghouse of California Secondhand Vape Exposure: Effects, Who's at Risk, and More Can I be Affected by Secondhand Vape Smoke? Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals Secondhand vape plumes could form lung damaging radicals American Chemical Society