The science of vaping: how e liquids and devices work Evapo Vaping Information Substance Use Prevention Services Youth Services System, Inc. Youth Services System, Inc. About E Cigarettes (Vapes) Smoking and Tobacco Use CDC Most young people know inhaling something from a little plastic device and taking that into your lungs is not a healthy thing to do! We're learning more and more about the health Do you know what's in a vape? Vaping: How E cigs Work (Infographic) Live Science