What harm does second hand fumes from vaping cause to young lungs? Medical experts want to know ABC11 Raleigh Durham Secondhand Exposure to E Cigarettes Puts COPD Patients At Risk Respiratory Therapy Is Second Hand Vapor from E Cigarettes Dangerous? [Infographic] The Local Brand Have you ever breathed in secondhand vapor from a vape? What exactly are you inhaling? It turns out it's a lengthy list of chemicals. FULL STORY Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London