In an asthma attack, your airways begin to block and breathing becomes difficult.
When asthma flares up, the bronchial tubes in the lungs narrow, making it difficult for air to pass through them. The tubes themselves may become inflamed and ...
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When asthma flares up, the bronchial tubes in the lungs narrow, making it difficult for air to pass through them. The tubes themselves may become inflamed and ...
More Information