Perhaps we finally have an answer to what's causing serious lung damage and death to vapers. The CDC says the culprit is THC and/or an additive, something we explained last month. Here's why we think those officials are correct.
Although no official cause of serious, vaping-related lung injuries has been established, chemistry can enable us to make a reasonable guess. And it all goes back to a simple procedure that you may have done in high school chem lab: distillation.