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Continue to ChatA condition in which a person's airways become burned, swell and produce extra mucus which makes it difficult to breathe. Asthma can be minor or it can get involved with daily activities. In some scenarios, it might lead to a life-threatening attack.Chronic obstructive pulmonary disease (COPD) is a chronic inflammatory lung disease that causes blocked airflow from the lungs. Symptoms such as breathing difficulty, cough, mucus (sputum) production, and wheezing. https://www.umdaa.co/blogs/1642/bronchial-asthma-part-01-dr-ch-yugandhar-bhatt