OverviewSmoking cigarettes puts a person at risk for emphysema, lung cancer and other health problems. Second-hand smoke (smoke from a nearby cigarette) may also contribute to these diseases, especially among children.
Update Date 8/24/2011
Updated by: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; and Yi-Bin Chen, MD, Leukemia/Bone Marrow Transplant Program, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.