Other Free Encyclopedias » 21st Century Webster's Family Encyclopedia » 21st Century Webster's Family Encyclopedia - Arcturus to Augur


Asthma, reversible obstruction of the airways that compromises the respiratory system. Asthma attacks are typically accompanied, by coughing and wheezing. Asthma is a chronic disorder that can be triggered by exposure to certain allergens or in response to physical or emotional stress. Therapy includes the use of steroids and bronchodilators.

See also: Allergy; Bronchitis.

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