Does Vaping Cause Popcorn Lung? Is it True That Vaping Can Cause Popcorn Lung? Freeman Vape Understanding the Dangers of Vaping: Popcorn Lung and Diacetyl Risks Popcorn Lung: The Deadly Secret in Your Vape! Did you know that the sweet, tempting flavor in your e liquid could be hiding a chemical called Diacetyl? This chemical, which tastes Health officials investigating dangers of vaping, verifying danger Debunking the myth: There's no link between vaping and popcorn lung