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ALLERGIES plague an estimated 20 percent of Americans. They are the leading reason for hospitalization in children.
HAY FEVER, or ALLERGIC RHINITIS - an inflammation of the nasal passages caused by an irritant - is by far the most common allergy, striking some six million children annually. The increased incidence of allergies in industrialized countries has been linked to an increase in pollutants, chemicals, pesticides, and other allergy-provoking foreign substances.
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