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Health risk assessment Given that carcinogenic effects of carbon monoxide and nicotine to human have not yet been proved, and on the other side formaldehyde is established as a probable human carcinogen (group B1) 14 , in this study mere formaldehyde exposure was considered for assessing human health risk
truth campaigns effective for e-cigarette and smoking prevention Mass media campaigns have been highly effective in reducing youth smoking use over the years
Since ozone can penetrate porous materials, it reaches areas that traditional cleaning methods often miss
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