Replying to @d4rkn3ss2l1ght Only half your vapes might have a lung scarring chemical is a wild thing to say in defense of vaping. But go off, I guess. Anyways, for those of you who care about In Cigarettes Or Did You Know Some Flavored Vapes Contain Diacetyl, A Bronchiolitis Obliterans Vaping Dangers of Vaping: Why E Cigarettes Are Harmful to Health They may seem sweet and tasty, but each time you vape, you breathe in harmful chemicals. One of these chemicals is diacetyl, used in popcorn flavourings for its buttery taste. When eaten,