Vaping Safety, Smoking, Dangers, Pros, Cons, Debate, E cigarettes, & Tobacco Britannica Risk assessment of inhaled diacetyl from electronic cigarette use among teens and adults ScienceDirect Vaping harms your health Cancer Institute NSW Vaping and COPD 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