Asthma
For many people, asthma is an allergic reaction to substances commonly inhaled through the air, like animal dander, pollen, dust mite and cockroach waste. The collective name for these substances, allergens, refers to anything that produces an allergic reaction. Some people have a genetic predisposition to react to certain allergens.
When inhaled allergen, their immune system is activated as if it rejects a parasite harmful, producing a molecule called immunoglobulin E (IgE), one of the defensive molecules called antibodies. The IgE antibody is central to the allergic reaction. For example, causes mast cells, a type of specialized defensive cell, release "weapons" chemical in the airways, which become inflamed and constricted, which causes coughing, wheezing and difficulty breathing dry: a flare (defined in National Institute of Allergy and Infectious Diseases, United States).
For many people, asthma is an allergic reaction to substances commonly inhaled through the air, like animal dander, pollen, dust mite and cockroach waste. The collective name for these substances, allergens, refers to anything that produces an allergic reaction. Some people have a genetic predisposition to react to certain allergens.
When inhaled allergen, their immune system is activated as if it rejects a parasite harmful, producing a molecule called immunoglobulin E (IgE), one of the defensive molecules called antibodies. The IgE antibody is central to the allergic reaction. For example, causes mast cells, a type of specialized defensive cell, release "weapons" chemical in the airways, which become inflamed and constricted, which causes coughing, wheezing and difficulty breathing dry: a flare (defined in National Institute of Allergy and Infectious Diseases, United States).
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