COPD progression: Stages, prognosis, and causes - Medical

cop4d Chest and lungs. How to live healthily with COPD. In the UK, 1.2 million people are affected by chronic obstructive pulmonary disease (COPD). COPD can cause coughing that produces large amounts of a slimy substance called mucus .It can also cause breathing problems, shortness of breath, chest thtness,

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