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22 March, 13:17

What is asthma? what causes it

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  1. 22 March, 15:13
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    A condition in which a person's airways become inflamed, narrow and swell, and produce extra mucus, which makes it difficult to breathe. the cause of it is Airborne substances, such as pollen, dust mites, mold spores, pet dander or particles of cockroach waste.
  2. 22 March, 16:56
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    A condition in which a person's airways become inflamed, narrow and swell, and produce extra mucus, which makes it difficult to breathe
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