Secondhand Smoke vs Vape: What the Science Says Tobacco Smoke, Vaping, and Asthma AAFA.org 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 Addressing Secondhand Smoke: Tobacco and Cannabis Smoke in Multi Unit Housing Health Risks of Secondhand Smoke and Aerosols Vapor Hiding Dangerous Ingredients: E Cigarette Concoctions Are Far from Safe American Lung Association