Are E cigarettes Safe To Use? An Evidence Based Study about Electronic Nicotine Delivery Systems (ENDS) Anti Vape Campaign Research indicates that certain flavoring chemicals used in e cigarettes can irritate lung tissue and trigger inflammatory responses in laboratory settings. Some compounds, such as diacetyl, have been linked to respiratory damage when Diacetyl notice! : r Vaping An updated overview of e cigarette impact on human health Respiratory Research Springer Nature Link