Allergy Notes: Definitions & Explanations PDF | Download eBooks
Study Allergy lecture notes PDF with biology definitions and explanation to study What is Allergy?. Study allergy explanation with biology terms to review biology course for online degree programs.
Allergy Definition:
Allergies are exaggerated (hypersensitive) responses to certain antigens called allergens.
Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson
Allergy Notes:
Allergies, also known as allergic diseases, are a number of conditions caused by hypersensitivity of the immune system to typically harmless substances in the environment. These diseases include hay fever or food allergies etc. Symptoms may include red eyes, an itchy rash, sneezing, a runny nose, shortness of breath, or swelling. Food intolerances and food poisoning are separate conditions. Food, insect stings, and medications are common causes of allergic reactions
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