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“It has not been very clear what causes the disease and there has been no therapy to stop or reverse lung destruction in emphysema,” said Norbert Weissman of the University of Giessen Lung Center in Germany. “There have really been no new concepts about therapy in the last 20 years.” COPD, including chronic bronchitis and emphysema, is expected to become the third-greatest cause of death worldwide by the year 2020. In addition to airway inflammation and decreased of respiratory function, COPD is often accompanied by pulmonary hypertension, which is essentially high blood pressure in the lungs. Whether this condition was…

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