-Chronic inflammatory disease of the airways that causes hyperresponsiveness, mucosal edema, and mucus production
-Inflammation leads to cough, chest tightness, wheezing, and dyspnea.
-The most common chronic disease of childhood-can occur at any age
-May range from mild to severe & life-threatening
-Allergy is the strongest predisposing factor
-Dust, pollen, pet dander, mold, cockroaches, food
-IgE the antibody behind asthma