Frontiers Diacetyl and Other Ketones in e Cigarette Aerosols: Some Important Sources and Contributing Factors A Warm, Buttery Flavor and a Risk of Irreversible Lung Damage Frontiers Inflammatory and Oxidative Responses Induced by Exposure to Commonly Used e Cigarette Flavoring Chemicals and Flavored e Liquids without Nicotine How do I figure out if my vape juice contains diacetyl or not? : r Vaping