What, exactly, is Nicotine?
Nicotine is an addictive alkaloid that is naturally present in certain plants. A high presence is found in tobacco and a low presence is found in common vegetables such as potatoes, tomatoes and green peppers. Nicotine, when delivered in small dosages such as in a cigarette or cigar can deliver a feeling of calmness or relaxation. Nicotine is considered habit forming and addictive.