RYO

Tobacco is the agricultural product of the leaves of plants in the genus Nicotiana. All species of Nicotiana contain the recreational drug nicotine—a stimulant and sedative contained in all parts of the plants except the seeds—which occurs in varying amounts depending on the species and variety cultivated. It is thought that an interaction between nicotine and MAOI beta-carbolines found in tobacco account for the addictive properties of its use.

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