The Look of Vapes Has Changed. Here's Why the Shift Has Experts Worried. The New York Times While vaping is not risk free, it is less harmful than tobacco Our World in Data Vaping Could Make You 40 Percent More Likely to Get Respiratory Disease The Brink Boston University 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