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 E Cigarette Regulation: Protect Nevada's Youth Risk assessment of inhaled diacetyl from electronic cigarette use among teens and adults ScienceDirect Frontiers Beyond the label: current evidence and future directions for the interrelationship between electronic cigarettes and mental health All E Cigarettes Emit Harmful Chemicals, but Some Emit More Than Others Berkeley Lab Berkeley Lab News Center