Vapes with Diacetyl List: Brands and Flavors to Avoid Queensland Health We said what we said. Vapes are filled with heaps of nasty chemicals that can be harmful to your short and long term health. They can Instagram Vaping, Diacetyl, and Popcorn Lung: Is the Threat Real? Vaping360 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 Diacetyl & Popcorn Lung EDGE Vaping