Secondhand Smoke vs Vape: What the Science Says If someone smokes outside, do they bring thirdhand smoke indoors with them? Thirdhand Smoke Resource Center Is Second Hand Vape Smoke Harmful Secondhand smoke and secondhand aerosol Thirdhand smoke danger remains for months IQAir Australia 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 Can You Get Second Hand Smoke from a Vape Risks & Facts