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How Does Asthma Affect Breathing?

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Shumaela Rana answered
Due to asthma a narrowing of the breathing airways can be caused. This situation interposes or interfere the usual motion of air in and out of the lungs. There are three important factors which cause the narrowing of breathing airways which is the reason of asthma. First is inflammation (A response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat), second is bronchospasm (A spasm of the bronchi that makes exhalation difficult and noisy; associated with asthma and bronchitis), and the third one is hyperactivity (A condition characterized by excessive restlessness and movement). The major reason of Inflammation is some type of allergy or irritation. An excess amount of sticky substance called mucus is produced into the tubes. This mucus clumps jointly and creates "plugs" which further clogs and chokes the smaller airways. Tissues can also be damaged due to inflammation and these tissues and damaged cells are dropped into airways and causes narrowing.
In Bronchospasm, the muscles present around the bronchial tubes are tightening while having an asthma attack. This muscle condition and constriction of airways can be termed as bronchospasm.
The third factor is Hyperactivity or simply we can say hypersensitivity. Exposure to allergic and irritant substances continuously and chronically tightens and inflames the airways.

These three factors combine results in complexity with breathing out and exhaling.

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