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Abstract
Cigarette smoking can be viewed as a chronic inflammatory disorder of the lower airways.
Two of the major lung injuries that can result are chronic bronchitis and emphysema.
Chronic bronchitis is characterized by chronic mucus hypersecretion and cough; emphysema
is a destructive process of the alveolar spaces. Tissue injury may result from the
actions of degradative enzymes derived from such inflammatory cells as neutrophils
and monocytes. In addition, oxidative injury from inflammatory cells and from oxidants
in smoke may participate in the pathogenesis of these smoking-related illnesses.
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© 1992 Published by Elsevier Inc.
