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Smoking hazards Reviewed last on: 2/23/2009 David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine.
Smoking - tips on how to quit Smoking hazards Overview, Causes, & Risk Factors Tobacco is a plant grown for its leaves, which are smoked, chewed, or sniffed for a variety of effects.
See also: Smoking, Cancer, Lung Cancer, Small cell lung cancer, Symptom
 
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