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It has a strong electrochemical potential, which is why it is used to make batteries

and, more likely to report e- cigarettes 50 and HTPs 51 are less harmful than cigarettes compared to independent sources

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The frequency of e-cigarette use influenced the differences in observed urinary concentrations of several biomarkers among daily vs some-days e-cigarette users: everyday e-cigaretteonly users had higher concentrations of all major nicotine metabolites, 2 TSNAs, 2 metals (lead and strontium) and 1 marker for acrylonitrile (eTable 3 in the Supplement) than some-days e-cigaretteonly users