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The amount of nicotine can also be changed, with the maximum being 2% and lowest being 0%
Compared with sham exposure, e-cig exposure caused an 18% increase in airflow resistance in association with a 16% decrease in exhaled nitric oxide, suggesting an increase in oxidative stress (127)

This product is covered by the Youth Protection Act and must not be given to underage persons

More research is needed on the health impact of e-cigarettes

Each surface type requires a specific approach for best results, and understanding these can save you time and effort
