Reply to Queimado et al.: E-cigarettes induce DNA damage and inhibit DNA repair in mice and human cells [Biological Sciences]

We believe that Queimado et al. (1) may have inadvertently missed several key details presented in our recent PNAS publication (2). First, for the determination of nicotine effects on DNA adduct formation and DNA repair activity, the nicotine concentrations used for 1-h treatments of human lung and bladder epithelial cells...

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