UC Davis study: Disposable vapes may be more toxic than cigarettes Are Disposable Vapes Safe? EDGE Vaping Believe It or Not, 1 Vape has 20 Cigarettes Worth of Nicotine UC San Francisco New study finds disposable vaping devices more toxic than traditional cigarettes It's Not Just Cigarettes: Vape Residue Sticks on Surfaces Too Thirdhand Smoke Resource Center The evidence is clear: Young E cigarette users suffer from respiratory symptoms American Lung Association