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Pollen and Spore Allergens

Sneezing is not always the symptom of a cold! Sometimes, it is an allergic reaction to something in the air. Health experts estimate that 35 million Americans suffer from upper respiratory tract symptoms that are allergic reactions to airborne allergens. Pollen allergy, commonly called hay fever, is one of the most common chronic diseases in the United States. Worldwide, airborne allergens cause the most problems for people with allergies. And respiratory symptoms of asthma, which affect approximately 11 million Americans, are often provoked by airborne allergens. (National Institute of Allergy and Infectious Diseases 2003)

Allergens are everywhere! Except in the most restrictive of environments (e.g., an environmentally ...

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