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In this paper we used peppermint ( Mentha piperita ) plants as a model system to investigate the possible uptake of nicotine from tobacco smoke or from nicotine-contaminated soils, e.g

[2] The kidneys then excrete nicotine and its metabolites through urine

As fewer people smoked, tobacco companies increased prices to maintain profit margins

Even without these labels, cigarettes still vary in perceived strength based on tobacco composition and filter design

Smokeless tobacco Smokeless tobaccocomposed of fermented plant materials, alkaline additives (e.g., sodium carbonate), and carcinogenic nitrosaminesdiffers fundamentally from combustible cigarettes and aerosolized ECs by delivering nicotine and toxins through direct mucosal contact rather than inhalation, a distinction that reshapes its biological interactions and uniquely perturbs oral microbial ecosystems through pH modulation, xenobiotic exposure, and epithelial barrier disruption