Secondhand vape plumes could form lung damaging radicals American Chemical Society Secondhand Smoke Vermont Department of Health The health risks of secondhand smoke are widely understood. But what about secondhand vaping? Study suggests switching from smoking to vaping indoors may reduce children's secondhand exposure to nicotine Tobacco Smoke, Vaping, and Asthma AAFA.org Parents using e cigs expose kids to dangerous secondhand vapor Futurity