Airborne Allergens (Important)

Airborne Allergens


Sneezing is not always the symptom of a cold. Sometimes, it is an
allergic reaction to something in the air. Experts estimate that 35
million Americans suffer from upper respiratory symptoms that are
allergic reactions to airborne pollen. Pollen allergy, commonly called
hay fever, is one of the most common chronic diseases in the United
States. Worldwide, airborne dust causes the most problems for people
with allergies. The respiratory symptoms of asthma, which affects
approximately 15 million Americans, are often provoked by airborne
allergens (substances that cause an allergic reaction).

Overall, allergic diseases are among the major causes of illness and
disability in the United States, affecting as many as 40 to 50 million
Americans. The National Institute of Allergy and Infectious Diseases, a
component of the National Institutes of Health, conducts and supports
research on allergic diseases. The goals of this research are to provide
a better understanding of the causes of allergy, to improve the methods
for diagnosing and treating allergic reactions, and eventually to
prevent allergies. This booklet summarizes what is known about the
causes and symptoms of allergic reactions to airborne allergens, how
these reactions are diagnosed and treated, and what medical researchers
are doing to help people who suffer from these allergies.

See also:

References and Sources: Medline, Pubmed, National Institutes of Health.

last update: November 2008

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