Titled, “Characterizing the Chemical Landscape in Commercial E-Cigarette Liquids and Aerosols by Liquid Chromatography–High-Resolution Mass Spectrometry,” the study reported that the unknown substances can include industrial chemicals and caffeine. “That might be giving smokers an extra kick that is not disclosed. We wonder if they are adding it intentionally,” said lead study author Mina Tehrani, … Continue reading Researchers Say E-Cig Vapours Contain Thousands of Undisclosed Chemicals