Chronic obstructive pulmonary disease, or COPD, is a group of lung conditions including bronchitis and emphysema. They make it difficult to empty air out of the lungs because your airways have been narrowed. This makes it harder to move air in and out as you breathe, and your lungs are less able to take in oxygen and get rid of carbon dioxide. There are treatments to help you breathe more easily, but they can’t reverse the damage to your lungs – so it’s important to get an early diagnosis.
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