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Chronic obstructive pulmonary disease (COPD) is a progressive lung disease that makes it difficult to breathe. Generally, it is linked to smoking, but that is not always the case. While millions suffer from COPD, the awareness remains about the disease is low. Let's talk about what it is, the causes, and how it can be managed effectively. What is COPD? COPD is composed of two main lung diseases: emphysema and chronic bronchitis. Emphysema damages the air sacs in the lungs, therefore the ability to absorb oxygen also reduces. Chronic bronchitis, on the other hand, inflames and narrows the airways, which makes it difficult to breathe. These diseases progress differently, but they often coexist. This is the reason COPD becomes a complex condition. What are the Symptoms? The indicative sign of COPD is breathlessness. Initially, it’s due to exertion, but it worsens over time. One might experience wheezing, chest tightness, and a persistent cough that produces mucus. In this condition, f...