Study suggests switching from smoking to vaping indoors may reduce children's secondhand exposure to nicotine Secondhand Exposure to E Cigarettes Puts COPD Patients At Risk Respiratory Therapy Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA 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