Asthma is a predisposition to chronic inflammation of the lungs in which the airways are reversibly narrowed. Asthma affects 7% of the population of the United States, [1] [2] 6.5 ...
en.wikipedia.org/wiki/Asthma
Read about asthma signs and symptoms, statistics, medication, inhalers, and management, and triggers (or what causes an attack). Get the facts about asthma in children and exercise ...
www.medicinenet.com/asthma/article.htm
Asthma (AZ-ma) is a chronic (long-term) lung disease that inflames and narrows the airways.
www.nhlbi.nih.gov/health/dci/Diseases/Asthma/Asthma_WhatIs.html
Comprehensive information about asthma, the chronic disease which affects one's lung airways.
www.nlm.nih.gov/medlineplus/asthma.html
Find information about asthma, including causes, symptoms, prevention, medications, and other asthma treatments.
www.mayoclinic.com/health/asthma/DS00021
User-created article on the causes and symptoms of asthma in adults and children.
en.wikipedia.org/wiki/Asthma