tobacco leaves for wounds Brown Spot of World Health Organization: Big Tobacco
Description
Life + Tree = Treant 73

A metabolite of the tobacco-specific lung carcinogen 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) in the urine of hospital workers exposed to environmental tobacco smoke

Smoking also raises your risk of peptic ulcers, gallstones, and colon polyps, some of which can become cancerous if left untreated
Nicotine accounts for 9095% of the plant's pyridines with nornicotine and anatabine accounting for roughly 2.5% each

4 estimated that more than half of all oral cancers in India are caused by SLT use