Health experts say not to 'vape' around children, because the secondhand aerosol (it isn't vapor) from e cigs isn't safe for them Kentucky Health News News Is Second Hand Vape Smoke Harmful? Project Filter Secondhand Vape Informational Poster #2 Idaho Health Tools Secondhand exposure to vaping can cause serious respiratory issues study The Jerusalem Post Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Secondhand vaping: The latest vaping health risk CNET