Most vaping-related lung injuries linked to marijuana products, CDC says

State health officials said Friday that many patients sickened with mysterious lung injuries used black market marijuana vaping devices, offering the strongest clues so far into what might be making people sick.
Officials in Wisconsin and Illinois, the states that were the first to report cases, conducted in-depth interviews with 86 patients who said they used a wide range of e-cigarette products. The vast majority reporting using illicit products containing THC, the psychoactive component of ma