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1. Asthma - MedlinePlus
   Comprehensive information about asthma, the chronic disease which affects one's lung airways.
   www.nlm.nih.gov
2. Asthma - MayoClinic
   Find information about asthma, including causes, symptoms, prevention, medications, and other asthma treatments.
   www.mayoclinic.com
3. Asthma - Wikipedia
   User-created article on the causes and symptoms of asthma in adults and children.
   en.wikipedia.org
4. Asthma - MedlinePlus Medical Encyclopedia
   Describes asthma, the inflammatory disorder of the lung airways accompanied by attacks of wheezing, shortness of breath, chest tightness, and coughing. ...
   www.nlm.nih.gov
5. What Is Asthma? - NHLBI
   Describes the chronic disease of asthma which affects the lung airways and cause wheezing, coughing, chest tightness, and trouble in breathing. ...
   www.nhlbi.nih.gov
6. Asthma and Asthma Attacks Center: Symptoms, Causes, Tests ...
   Asthma affects an estimated 17 million people in the U.S. alone. Find in-depth asthma information, including treatments, triggers, and prevention.
   www.webmd.com
7. Asthma - MedicineNet
   Read about asthma causes, signs and symptoms, statistics, medication, inhalers, and myths and facts about asthma attacks.
   www.medicinenet.com
8. Asthma - eMedicineHealth
   Provides an overview of asthma and its causes, symptoms, and treatment.
   www.emedicinehealth.com
9. CDC - Asthma
   Centers for Disease Control and Prevention (CDC) topic homepage for asthma provided by the National Center of Environmental Health (NCEH)
   www.cdc.gov
10. Asthma and Allergy Foundation of America
    Not-for-profit organization dedicated to finding a cure for and controlling asthma and allergic diseases.
    www.aafa.org
11. CDC - Asthma - Basic Information
    It is one of the most common long-term diseases of children, but adults have asthma, too. Asthma causes repeated episodes of wheezing, breathlessness, ...
    www.cdc.gov
12. asthma: Definition from Answers.com
    asthma n. A chronic respiratory disease, often arising from allergies, that is characterized by sudden recurring attacks of labored breathing, chest
    www.answers.com
13. Asthma | Define Asthma at Dictionary.com
    Asthma definition, a paroxysmal, often allergic disorder of respiration, characterized by bronchospasm, wheezing, and difficulty in expiration, often accompani See more.
    dictionary.reference.com
14. Asthma | Indoor Air | US EPA
    Asthma is a serious, sometimes life-threatening respiratory disease that affects the quality of life for millions of Americans. ...
    www.epa.gov
15. Asthma
    More than 6 million kids and teens have asthma, a lung condition that causes a person to have difficulty breathing.
    kidshealth.org
16. Asthma Information and Treatment Options Asthma.com
    Find asthma information and treatment options to help you start living with asthma and enjoying your life.
    www.asthma.com
17. Asthma: eMedicine Pulmonology
    ... more on Medscape from WebMD.Asthma is an airway disorder that causes respiratory hypersensitivity, inflammation, and intermittent obstruction. ...
    emedicine.medscape.com
18. Asthma Symptoms, Diagnosis, Treatments and Causes ...
    Asthma information including symptoms, diagnosis, misdiagnosis, treatment, causes, patient stories, videos, forums, prevention, and prognosis.
    www.wrongdiagnosis.com
19. Asthma
    Asthma is a condition that affects a person's airways, also known as breathing tubes. Find out more in this article for kids.
    kidshealth.org
20. Asthma: eMedicine Emergency Medicine
    In 2005, 1.8 million ED visits were for acute asthma. On average, this represents approximately 2% of ... Asthma is a common disorder that accounts for almost 2 million ED ...
    emedicine.medscape.com