In secondhand vape, scientists smell risk American Heart Association Secondhand exposure to vaping can cause serious respiratory issues study The Jerusalem Post What is secondhand smoke: All about secondhand smoke that you should know Secondhand Smoke vs Vape: What the Science Says 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 Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center