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The section on Biomarkers offers an overview of in vitro and in vivo data on genotoxicity and cytotoxicity and a review of the literature on animal bioassays, in addition to general concepts of biomarkers of exposure, of biologically effective dose, and of potential harm, as an introduction to more detailed descriptions of biomarkers in subsequent chapters of this Surgeon Generals report

Natural gas is odorless, but utility companies add a sulfur-like scent (mercaptan) to alert you to leaks

Australia's smoking rates have never been lower in both adults and children

This article provides an overview of the consequences of DNA damage by NNK