Tobacco is freely available worldwide, although many governments have introduced excise taxes on cigarettes in order to reduce the consumption of cigarettes. Other measures are taken to discourage smoking. Underlining reasons is that smoking is injurious to health. The smoking addiction that occurs is caused by the substance called nicotine. Craving for a cigarette is actually a signal of the body toward the brains that the body needs nicotine.
Addiction
Cigarette Manufacturing