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			          Asthma - American Lung Association
			           
 Asthma is a lung disease that makes breathing difficult for millions of Americans. There is no cure for asthma, but the good news is it can be managed and treated so you can live a normal, healthy life. http://www.lung.org/lung-health-and-diseases/lung-disease-lookup/asthma/?referrer=https://www.google.com
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			          Asthma Information for Patients - AAFA
			           
 Asthma is a disease of the lungs in which the airways become blocked or narrowed causing breathing difficulty. http://www.aafa.org/page/asthma.aspx
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			          Asthma - Mayo Clinic
			           
 Asthma - Comprehensive overview covers symptoms, treatment of this chronic lung condition. http://www.mayoclinic.org/diseases-conditions/asthma/basics/definition/con-20026992
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			          What is Asthma? Causes, Symptoms and Treatment - ACAAI
			           
 If you frequently experience shortness of breath or you hear a whistling or wheezy sound in your chest when you breathe, you may have asthma. http://acaai.org/asthma
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			          CDC - Asthma
			           
 Centers for Disease Control and Prevention (CDC) topic homepage for asthma provided by the National Center of Environmental Health (NCEH). http://www.cdc.gov/asthma/
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			          Asthma and Asthma Attacks Center: Symptoms, Causes, Tests, and Treatments - WebMD
			           
 Asthma (reactive airway disease) affects an estimated 34 million people in the U.S. Find in-depth asthma information, including treatments, triggers, and prevention. http://www.webmd.com/asthma/
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			          Asthma Information and Resources - Asthma
			           
 Asthma.com is a hub for learning about asthma and asthma resources. Learn more about asthma here. http://www.asthma.com
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			          What Is Asthma? - NHLBI, NIH
			           
 Asthma (AZ-ma) is a chronic (long-term) lung disease that inflames and narrows the airways. Asthma causes recurring periods of wheezing (a whistling sound when you breathe), chest tightness, shortness of breath, and coughing. http://www.nhlbi.nih.gov/health/health-topics/topics/asthma
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			          Asthma Symptoms, Diagnosis, Management and Treatment - AAAAI
			           
 An overview of asthma symptoms, asthma diagnosis, asthma treatment and asthma management written and reviewed by the leading experts in allergy, asthma and immunology. http://www.aaaai.org/conditions-and-treatments/asthma
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			          Asthma - Wikipedia, the Free Encyclopedia
			           
 Asthma is a common chronic inflammatory disease of the airways characterized by variable and recurring symptoms, reversible airflow obstruction and bronchospasm https://en.wikipedia.org/wiki/Asthma
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			          CDC: About Asthma
			           
 Asthma is a disease that affects your lungs. It is one of the most common long-term diseases of children, but adults can have asthma, too. Asthma causes wheezing, breathlessness, chest tightness, and coughing at night or early in the morning. http://www.cdc.gov/asthma/faqs.htm
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			          Asthma - American Lung Association
			           
 Asthma is a lung disease that makes breathing difficult for millions of Americans. There is no cure for asthma, but the good news is it can be managed and treated so you can live a normal, healthy life. http://www.lung.org/lung-health-and-diseases/lung-disease-lookup/asthma/