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 The health risks of secondhand smoke are widely understood. But what about secondhand vaping? Symptoms Of Second Hand Vape Smoke Secondhand smoke is harmful to those around you, putting them Secondhand vape plumes could form lung damaging radicals American Chemical Society Secondhand Smoke Vermont Department of Health Secondhand Vape Exposure: Effects, Who's at Risk, and More