Tobacco is a plant grown for its leaves, which are dried and fermented before using it.
The short-term effects include increased blood pressure, increased breathing & increased heart rate.
The long-terms effects include higher risk of cancer, oral cancer, chronic bronchitis, emphysema, heart disease, leukemia, cataracts & pneumonia.
There are symptoms of withdrawal these include irritability attention problems, sleep issues, and increased appetite.
Tobacco can be smoked, snorted, chewed or vaporized.