The Blacklist: Worst Geek Bar Flavors (Ranked) EightVape Hybee thought vaping wasnt that harmful, until she learned how it could affect her brain, lungs and mental health., Now shes sharing what she wishes she knew sooner., If youre thinking about How does the disposable vape ban work, and how harmful is vaping? Vaping is on the rise. While e cigarettes don't contain tobacco, they may still contain many of the same toxic and cancer causing chemicals found in regular cigarettes. This includes: Acrolein (weed