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Inflamed bronchial tubes in asthma


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Illustration of asthma

In asthma, the airways that carry air to the lungs (bronchial tubes) are inflamed. This can narrow the airways, causing shortness of breath and making it difficult to breathe.


Last Updated: May 15, 2007
Medical Review:
Caroline S. Rhoads, MD - Internal Medicine

Harold S. Nelson, MD - Allergy and Immunology


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