is tobacco a mutagen The specific nitrosamine Frontiers | Genomic and Bioinformatics

Part of this may be due to new smoking bans and the resulting marketing efforts by tobacco companies to push smokeless tobacco as an alternative product that can be used anytime anywhere. Whatever the case, the study concluded that the trend was more prominent among young adults and likely will have future health-care implications. The oral cancer connection According to Heffner, smokeless tobacco contains 30 known carcinogens and causes numerous cancers including mouth, tongue, cheek, gum, throat, esophageal and pancreatic

The smoke has a subtle sweetness, a chocolate/molasses note, but I think a lot of that emanates from the burley

But these tests only check for nicotine exposure, not the method you use

[3] Fire [edit] Fire-cured tobacco is hung in large barns where fires of hardwoods are kept on continuous or intermittent low smoulder and takes between three days and ten weeks, depending on the process and the tobacco