Dosimetry, a major issue Different ways to express doses and different dose ranges used When considering the studies dealing with the toxicity of e-cigarettes assessment, in addition to the heterogeneity of e-cigarette products, biological models, or exposure conditions observed, there is also a huge disparity in the doses used as well as in the way they are expressed as shown in Table 2
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Parental smoking effects To examine the relationship between number of parents who currently smoked and children's ever smoking we classified parental smoking status as "neither smokes," "only one smokes," or "both smoke." To examine whether parental smoking modifies the relationship between children's attitudes toward smoking and children's ever smoking, we determined if there were differences in the strength of the relationship between children's attitudes toward smoking and ever smoking by parental smoking status
Today's Tobacco Tidbit: North Carolina offers Tobacco Heritage License Plates
During this time occupants were asked to document typical household activities and their heating and ventilation methods such as, when they were cooking, opening windows, burning candles, and cleaning
