Acute exposure to Vype vapor has limited impact on gene expression in human lung cells

New research shows that at equivalent or higher doses of nicotine, acute exposure to e-cigarette vapor has very limited impact on gene expression compared to cigarette smoke. Scientists at British American Tobacco used nicotine as a reference point and exposed MucilAir, a realistic in vitro 3-D model of a human airway, to e-cigarette vapor and cigarette smoke to assess their comparative effect on gene expression.

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