Allergies
Title: Allergies
Category: /Science & Technology
Details: Words: 921 | Pages: 3 (approximately 235 words/page)
Allergies
Category: /Science & Technology
Details: Words: 921 | Pages: 3 (approximately 235 words/page)
Allergies what is the true meaning .
Allergy, what does it mean . An Allergy is a condition of hypersensitivity to substances that are harmless to most people. The immune system of an allergic person produces antibodies that react with normally harmless substances such as dust , pollen , and certain foods or medicines . The reaction causes the release of chemicals including histamine . Allergies may produce sneezing and running noses , it may also cause contraction of the air passages ,
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showed last 75 words of 921 total