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That means brushing twice a day and flossing regularly

Procedures Screening and consent Interested participants who contact the research team by telephone or email will have the option to complete a brief pre-screening survey by phone or online

To have a better understanding of how trace metals can contribute to the chemical composition of secondhand and thirdhand smoke, the researchers then used the experimental results from the environmental chamber study to predict the concentration of trace metal contaminants in a smokers home, and in nonresidential scenarios such as smoking bars, under different air exchange rates