Vaping refers to the act of inhaling and exhaling aerosol, often called vapor, produced by an electronic cigarette or similar device. These devices heat a liquid that usually contains nicotine, flavorings, and Have you been thinking about trying vapes or e cigarettes? Think again! Most e cigarettes contain nicotine and other harmful substances. Some products claiming to be nicotine free have been found to contain nicotine. Nicotine A decade ago, the most frequent opinion among smokers was that vaping was less harmful than tobacco. But ten years on, the opposite is true: over a third say that vapes are Vaping study shows e cigarettes more harmful than thought triple j What are the respiratory effects of e cigarettes? The BMJ Healthy Men: Vaping is not an equal opportunity problem Duluth News Tribune News, weather, and sports from Duluth, Minnesota