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An in-depth look at allergies, which affect one in every five Americans in some form.

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Allergies to grass, pollen, medicine, and common household products are widespread but can be easily treated. Excerpted from Allergies by Edward Edelson All rights reserved by the original copyright owners. Excerpts are provided for display purposes only and may not be reproduced, reprinted or distributed without the written permission of the publisher.

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Booklist Review

"Allergy is the body's defense system gone wrong," begins Edelson in his no-nonsense investigation of the complicated processes that can cause itching, sneezing, watery eyes, or even life-threatening respiratory distress. The author clearly defines and explains medical concepts and terms in a lead-off chapter that describes the functioning of the immune system. He then divides allergies into broad categories, looking at reactions to foods, insects, drugs, and substances on the skin, as well as asthma and hay fever. He also discusses drug and nondrug therapies and explains the controversy surrounding various treatments and tests. A brief look at current research concludes the text. Like others in the Encyclopedia of Health series, the volume is illustrated with black-and-white photographs and includes both a glossary and an index. No notes. Gr. 7-12. --Stephanie Zvirin