How Does Asthma Works? | Symptoms, Causes And Treatment (Urdu/Hindi)

Описание к видео How Does Asthma Works? | Symptoms, Causes And Treatment (Urdu/Hindi)

Asthma is a condition in which your airways narrow and swell and may produce extra mucus. This can make breathing difficult and trigger coughing, a whistling sound (wheezing) when you breathe out and shortness of breath.
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