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Allergy - Wikipedia, the free encyclopedia
An allergy is a hypersensitivity disorder of the immune system Allergic reactions occur when a person's immune system reacts to normally harmless substances in the environment. http://en.wikipedia.org/wiki/Allergy
allergy: Definition from Answers.com
allergy n. , pl. , -gies . An abnormally high sensitivity to certain substances, such as pollens, foods, or microorganisms http://www.answers.com/topic/hay-fever
Allergy | Define Allergy at Dictionary.com
noun, plural -gies. 1. an abnormal reaction of the body to a previously encountered allergen introduced by inhalation, ingestion, injection, or skin contact, often manifested ... http://dictionary.reference.com/browse/...
Allergies - Definition | WordIQ.com
This article deals specifically with IgE mediated hypersensitivity. For other types of allergic or hypersensitive reactions see the main article: Hypersensitivity http://www.wordiq.com/definition/Allergies
Definition of Allergies | eHow.com
Definition of Allergies. An allergy is an abnormal immune system reaction to something that doesn't affect most other people. If you're allergic to a substance, your immune ... http://www.ehow.com/facts_5569627_defin...
glossary of allergy terms
Learn the definition of albumin and how it is important for pet allergies. http://allergies.about.com/od/glossaryo...
Allergies - MayoClinic.com
Definition By Mayo Clinic staff. Allergies occur when your immune system reacts to a foreign substance such as pollen, bee venom or pet dander. Your immune system produces substances ... http://www.mayoclinic.com/health/allerg...
Food allergy - Wikipedia, the free encyclopedia
A food allergy is an adverse immune response to a food protein. They are distinct from other adverse responses to food, such as food intolerance, pharmacological reactions, and ... http://en.wikipedia.org/wiki/Food_allergy
allergy - the definition you can understand
An allergy is a sensitivity to a specific substance which causes a negative bodily reaction, such as sneezing, wheezing, itching or difficulty breathing. http://www.yourdictionary.com/allergy
Allergy Terms You Need to Know : All Allergies
Allergy Terms You Need to Know Definitions Allergy. An allergy is an abnormal or exaggerated response of a person’s immune system to a substance in their environment which is ... http://www.all-allergies.com/allergy-de...
Allergies: MedlinePlus Medical Encyclopedia
Causes. Allergies are pretty common. Both genes and environmental factors play a role. The immune system normally protects the body against harmful substances, such ... http://www.nlm.nih.gov/medlineplus/ency...
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