Why Vape It? Poster NIMCO, Inc. Risk assessment of inhaled diacetyl from electronic cigarette use among teens and adults ScienceDirect Diacetyl in E Cigarettes, Should You Be Worried? E Cigarette Reviews and Rankings That lung scan visual hits hard, but the real takeaway is simple: vaping is not harmless water vapor. Chemicals found in some e cigarettes, including diacetyl, have been tied to serious lung damage, Study: E Cigs Linked to Dangerous Lung Disease Salud America