Can Vaping Cause Lung Cancer? Here's What We Know. Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN E Cigs and Second Hand Vaping: Dangers and Protections Secondhand Smoke Vermont Department of Health 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