Vaping: Understanding the Risks and Impacts on Health Popcorn Lung: A Dangerous Risk of Flavored E Cigarettes American Lung Association What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Vaping is officially deadly. A life altering diagnosis of 'popcorn lung' in a U.S. teenager is sounding the alarm on the hidden dangers of flavored e cigarettes. A U.S. teenager's secret three year vaping habit 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