Vaping Check: Let's Clear the Air Vapes aren't just flavored air. Here's what they can actually do Lung stress inflammation + chemicals = harder breathing Nicotine= brain hijacker Health Risks of E Cigarettes and Vaping American Lung Association The combination of propylene glycol and vegetable glycerin e cigarette aerosols induces airway inflammation and mucus hyperconcentration Scientific Reports Myth or Fact: Is Vaping Better than Conventional Cigarettes? Abdi Waluyo Hospital