Facts About Allergies » industrial chemical exposure http://www.allergydot.com What to do About Allergies and Allergic Reactions Thu, 26 Jan 2012 23:46:06 +0000 en hourly 1 COPD Emphysema – What Is Emphysema http://www.allergydot.com/2009/05/07/what-is-emphysema/ http://www.allergydot.com/2009/05/07/what-is-emphysema/#comments Thu, 07 May 2009 23:00:54 +0000 Alank http://www.allergydot.com/?p=51 COPD Emphysema is one of the two major forms of Chronic Obstructive Pulmonary Disease, which comes about when the alveoli become damaged. Those are the tiny sacs in the lung that exchange oxygen into the blood and carbon dioxide out.

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