BREAKTHROUGH NEWS: Doctors just announced that vaping has been conclusively linked to permanent lung disease. Sadly, many teens have already been diagnosed. Diacetyl, or 2,3 butanedione, is a flavouring agent that becomes a Study Shows Juul Vape Pens Deliver More Nicotine Than Cigarettes Rosen Injury Lawyers Chemicals found in e cigarettes could cause lung problems The Pharmaceutical Journal A Brief History of the Electronic Cigarette Techno FAQ Is There Diacetyl In E liquid? Vaped Myth: E cigarettes help people quit smoking. Truth: E cigarettes are not a proven safe way to quit. In fact, users may become addicted to both traditional and electronic tobacco products. Choose health. Say