E Cigs and Second Hand Vaping: Dangers and Protections Secondhand Vape Exposure: Effects, Who's at Risk, and More Study suggests switching from smoking to vaping indoors may reduce children's secondhand exposure to nicotine Second Hand Vaping Vape Smoke Free Secondhand smoke from vaping could be harmful to children: study ABC13 Houston Secondhand vape plumes could form lung damaging radicals American Chemical Society