COPD and Vaping: Understanding the Risks and Long Term Effects Health experts are sounding the alarm about a serious condition linked to vaping, known as "popcorn lung" or bronchiolitis obliterans. This irreversible lung disease is caused by harmful chemicals, like diacetyl, found Is Popcorn Lung Caused By Vaping? 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 It's a Fact. Vaping Can Cause Popcorn Lung Poster ToucanEd The Mysterious Vaping Illness That's 'Becoming an Epidemic' The New York Times