Secondhand Exposure to E Cigarettes Puts COPD Patients At Risk Respiratory Therapy Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London 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 Can You Get Second Hand Smoke from a Vape Risks & Facts Secondhand Vape Exposure: Effects, Who's at Risk, and More Project Filter Secondhand Vape Informational Poster #2 Idaho Health Tools