Secondhand Smoke vs Vape: What the Science Says Vaping Produces Far Less Second Hand Nicotine Than Smoking Respiratory Therapy 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 Impact of E Cigarettes and Asthma: What You Need to Know Secondhand Smoke Vermont Department of Health Parents' second hand marijuana smoke may cause colds in children New Scientist