Tobacco is a plant that grows in a wide range of soil and climate conditions.
Its non-edible leaf is dried and used to produce cigarettes, pipe tobacco, cigars, chewing tobacco and snuff. Tobacco smoke contains over 4,000 different gases, particles and compounds including tar, nicotine and carbon monoxide. Tobacco smoke tar is composed of thousands of chemicals that can damage lung tissue and cause several diseases. Nicotine is found only in tobacco. It acts as a mild stimulant to the central nervous system and causes addiction to tobacco products.