Reviewed by Hansa Bhargava on December 18, 2019
Sources
Johns Hopkins: "Allergies and the Immune System."<br>American College of Allergy, Asthma, and Immunology: "Outgrowing Asthma?" "Frequently Asked Questions."<br>vU.S. National Library of Medicine: "Allergic asthma."<br>Asthma and Allergy Foundation of America: "Allergens and Allergic Asthma," "What Causes or Triggers Asthma?"
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