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What is ALLERGY about?
Allergy is an acquired abnormal response of the immune system to harmless substances, known as allergens, which can cause various symptoms such as itching, sneezing, and in severe cases, anaphylaxis. Allergens can be categorized into inhalants, ingestants, injectants, contactants, and infectants, each triggering different allergic reactions. Factors influencing allergy development include genetic predisposition, environmental exposure, and individual health conditions.
- Author
- caieca3947
- Language
- EN