Marcia d. Reported target organs for carcinogenesis by NNN and NNK in rodents were targets for mutagenesis, but mutagenesis was also observed at other sites, suggesting that these sites are initiated. The effect of green tea consumption on mutagenesis by NNK was also investigated. Both are present in tobacco and cigarette smoke, along with many other carcinogens 12.
We previously reported that dibenzo[ a,l ]pyrene DB[ a,l ]Pthe most potent known environmental carcinogen among polycyclic aromatic hydrocarbons PAH congeners, is carcinogenic in the oral tissues of mice.
They had the small two-stall restroom to themselves. Karen slipped into the far stall, set her bag on the floor, and plopped down. Just as she started to piddle, she felt something pop in her left breast. She quickly unbuttoned her shirt enough to open the nursing flap on her bra.
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