Learn more about what smoking does to. Smoking is harmful to your health. A variety of plant materials are smoked,.
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But it s tough to quit because of nicotine s effect on your brain. Tobacco smoking is the act of inhaling and exhaling the fumes of burning nicotiana plant material. Smoking harms nearly every organ in the body and is a main cause of lung cancer and copd.
It also is a cause of coronary heart.
Smoking is a human behavior which involves the combustion of a substance, usually plant material, and the inhalation of resulting fumes.
