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Asthma is a chronic condition involving the respiratory system in which the airways occasionally constrict, become inflamed, and are lined with excessive amounts of mucus, often in response to one or more triggers. These episodes may be triggered by such things as exposure to an environmental stimulant such as an allergen, environmental tobacco smoke, cold or warm air, perfume, pet dander, moist air, exercise or exertion, or emotional stress. In children, the most common triggers are viral illnesses such as those that cause the common cold. This airway narrowing causes symptoms such as wheezing, shortness of breath, chest tightness, and coughing. The airway constriction responds to bronchodilators. Between episodes, most patients feel well but can have mild symptoms and they may remain short of breath after exercise for longer periods of time than the unaffected individual. The symptoms of asthma, which can range from mild to life threatening, can usually be controlled with a combination of drugs and environmental changes.

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Wikipedia About Asthma

Asthma is a chronic condition involving the respiratory system in which the airways occasionally constrict, become inflamed, and are lined with excessive amounts of mucus, often in response to one or more triggers. These episodes may be triggered by such things as exposure to an environmental stimulant such as an allergen, environmental tobacco smoke, cold or warm air, perfume, pet dander, moist air, exercise or exertion, or emotional stress. In children, the most common triggers are viral illnesses such as those that cause the common cold. This airway narrowing causes symptoms such as wheezing, shortness of breath, chest tightness, and coughing. The airway constriction responds to bronchodilators. Between episodes, most patients feel well but can have mild symptoms and they may remain short of breath after exercise for longer periods of time than the unaffected individual. The symptoms of asthma, which can range from mild to life threatening, can usually be controlled with a combination of drugs and environmental changes.

Public attention in the developed world has recently focused on asthma because of its rapidly increasing prevalence, affecting up to one in four urban children.

Signs and symptoms

In some individuals asthma is characterized by chronic respiratory impairment. In others it is an intermittent illness marked by episodic symptoms that may result from a number of triggering events, including upper respiratory infection, stress, airborne allergens, air pollutants (such as smoke or traffic fumes), or exercise. Some or all of the following symptoms may be present in those with asthma: dyspnea, wheezing, stridor, coughing, a tightness and itching of the chest or an inability for physical exertion. Some asthmatics who have severe shortness of breath and tightening of the lungs never wheeze or have stridor and their symptoms may be confused with a COPD-type disease.

An acute exacerbation of asthma is commonly referred to as an asthma attack. The clinical hallmarks of an attack are shortness of breath (dyspnea) and either wheezing or stridor. Although the former is "often regarded as the sine qua non of asthma", some patients present primarily with coughing, and in the late stages of an attack, air motion may be so impaired that no wheezing may be heard. When present the cough may sometimes produce clear sputum. The onset may be sudden, with a sense of constriction in the chest, breathing becomes difficult, and wheezing occurs (primarily upon expiration, but can be in both respiratory phases).

Signs of an asthmatic episode include wheezing, prolonged expiration, a rapid heart rate (tachycardia), rhonchous lung sounds (audible through a stethoscope), the presence of a paradoxical pulse (a pulse that is weaker during inhalation and stronger during exhalation), and over-inflation of the chest. During a serious asthma attack, the accessory muscles of respiration (sternocleidomastoid and scalene muscles of the neck) may be used, shown as in-drawing of tissues between the ribs and above the sternum and clavicles.

Search results for Asthma

Asthma - eMedicineHealth

Provides an overview of asthma and its causes, symptoms, and treatment.www.emedicinehealth.com/asthma/article_em.htm

Asthma - CDC

Features the CDC's National Asthma Control Program, asthma prevalence data and surveillance, general disease information, and online resources. From the Centers for Disease Control and Prevention.www.cdc.gov/asthma

Asthma - MedlinePlus Encyclopedia

Describes asthma, the inflammatory disorder of the lung airways accompanied by attacks of wheezing, shortness of breath, chest tightness, and coughing. Includes symptoms, diagnosis, treatment, prevention, and disease management.www.nlm.nih.gov/medlineplus/ency/article/000141.htm

Asthma - About.com

Articles about asthma which explore the various risk factors, the asthma-allergy connection, and managing chronic asthma in both adults and children.asthma.about.com/

Asthma - MedicineNet

Read about asthma causes, signs and symptoms, statistics, medication, inhalers, and myths and facts about asthma attacks.www.medicinenet.com/asthma/article.htm

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News about Asthma

Kids Who Wheeze With Rhinovirus at Higher Asthma Risk

ABC 7 El Paso THURSDAY, Oct. 2 (HealthDay News) -- Young children who wheeze when they have rhinovirus infection -- the most common cause of colds -- are at much greater risk of developing asthma...http://www.kvia.com/global/story.asp?s=9111797

Asthma Research Receives Million Dollar Donation - Centre For Allergy Research At Karolinska Institutet

Medical News TodayThe Centre for Allergy Research at Karolinska Institutet has received a donation of one million US dollars for research into severe asthma. The donation was made by the Sandler Foundation in USA. The donation will be used for the development of a new research programme: The Bernard Osher Initiative for Research on Severe Asthma at Karolinska Institutet.http://www.medicalnewstoday.com/articles/123917.php

Steroids Not As Effective In Obese Asthma Patients

Medical News TodayGlucocorticoids, the primary controller medication for asthma, are 40 percent less effective in overweight and obese asthma patients than in those of normal weight, according to researchers at National Jewish Health, in Denver. The study also identified a potential mechanism involved in the resistance, which suggests therapeutic targets for future medications.http://www.medicalnewstoday.com/articles/123837.php

Childhood Wheezing With Rhinovirus Can Increase Asthma Odds 10 Fold

Medical News TodayInfants who experience viral respiratory illnesses with wheezing are known to be at increased risk for developing asthma later during childhood. It is not known, however, whether every type of respiratory virus that produces wheezing presents similar risk.http://www.medicalnewstoday.com/articles/123836.php

Asthma research receives million dollar donation

uniprotokolleThe Centre for Allergy Research at Karolinska Institutet has received a donation of one million US dollars for research into severe asthma. The donation was made by the Sandler Foundation in USA.http://www.uni-protokolle.de/nachrichten/id/164300/

News about Asthma

I'll Show You My Apps, You Show Me Yours

Baltimore SunYou'll also find an index for asthma, cold/cough and ultraviolet. I consult Allergy Alert and The Weather Channel app every morning. A-choo! iBird Explorer North ($9.99): A mobile interactive field guide, one of eight from the Mitch Waite Group, with ... http://www.baltimoresun.com/technology/hc-iphone-apps-hunt05...

Folic acid 'helps treat allergies, asthma'

Hindustan TimesFolic acid, or vitamin B9, may suppress allergic reactions and lessen the severity of allergy and asthma symptoms, according to new research from the Johns Hopkins Children's Center. Folic acid is essential for red blood cell health and long known to ... http://www.hindustantimes.com/Redir.aspx?ID=4abc6984-5894-47...

2 people who died of swine flu in US had chronic health problems ...

Los Angeles TimesThe 33-year-old Texas woman had asthma, rheumatoid arthritis, a skin condition and was 35 weeks pregnant. The details were included in a study done by scientists at Centers for Disease Control and Prevention that was released Thursday by the New ... http://www.latimes.com/features/health/sns-ap-us-med-swine-f...

Costa Rica reports 1st death of man with H1N1 flu

Reuters IndiaThe man also had diabetes and asthma, Maria Trejos, a spokeswoman for the Health Ministry, told Reuters. Doctors at the Health Ministry said they would have to wait for autopsy results to determine if the death was from the flu or complications ... http://in.reuters.com/article/worldNews/idINIndia-3952022009...

Research zeroing in on more potential causes of asthma

La Crosse TribuneMillions of children and adults have asthma, the most common form of lung disease. The problem is medical experts know there is no one trigger or cause for asthma, said Dr. Todd Mahr, Gundersen Lutheran pediatric allergist and asthma specialist ... http://www.lacrossetribune.com/articles/2009/05/09/health/00...

Search results for Asthma

Asthma

Welcome to About.com's asthma site.Being a patient with or the parent of a child with a chronic illness can be difficult and frustrating. Everywhere you look toy hear something ... http://asthma.about.com/

Asthma | CDC APRHB

This is the Asthma home page. ... Web Site Tools. Download Adobe Reader [external link] free software for viewing and printing Adobe Portable Document Format (PDF) files.http://www.cdc.gov/asthma/

Asthma - American Lung Association site

Asthma can be a life-threatening disease if not properly managed. In this section, you will find in-depth information including asthma and older people, teens and asthma, asthma ... http://www.lungusa.org/site/pp.asp?c=dvLUK9O0E&b=33276

asthma: Definition from Answers.com

More about Asthma: Causes and symptoms Diagnosis Treatment Prognosis Prevention Resources Asthma Definition Today asthma is viewed as a chronichttp://www.answers.com/topic/asthma

Asthma | Indoor Air Quality | US EPA

Asthma is a serious, sometimes life-threatening respiratory disease that affects the quality of life for millions of Americans. Although there is no cure for asthma yet, asthma ... http://www.epa.gov/asthma/

Wikipedia results for Asthma

Asthma - Wikipedia, the free encyclopedia

Asthma is a chronic lung disease. It has been defined by the National Heart, Lung and Blood Institute as a common chronic disorder of the airways that is complex and characterized ... http://en.wikipedia.org/wiki/Asthma

Occupational asthma - Wikipedia, the free encyclopedia

Occupational asthma is defined as: "a disease characterized by variable airflow limitation and/or airway hyper-responsiveness due to causes and conditions attributable to a ... http://en.wikipedia.org/wiki/Occupational_asthma

Asthma UK - Wikipedia, the free encyclopedia

Asthma UK is a charity dedicated to improving the health and well-being of the 5.4 million people in the UK whose lives are affected by asthma. [1]http://en.wikipedia.org/wiki/Asthma_UK

Asthma and Allergy Foundation of America - Wikipedia, the free ...

The Asthma and Allergy Foundation of America (AAFA) is a non-profit organization dedicated to finding a cure for and controlling asthma, food allergies, nasal allergies and other ... http://en.wikipedia.org/wiki/Asthma_and_Allergy_Foundation_o...

Exercise-induced asthma - Wikipedia, the free encyclopedia

Exercise-induced asthma, or E.I.A., is a medical condition characterized by shortness of breath induced by sustained aerobic exercise. It shares many features with other types of ... http://en.wikipedia.org/wiki/Asthma,_exercise-induced
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Videos found for Asthma

Paracetemol linked to rise in asthm...

Paracetemol linked to rise in asthmaParacetamol is being linked to the development of asthma in children. The proportion of UK children with asthma trebled between the 1960s and the mid-1990s and there are now 5.2...Flash - Video

Asthma Walk 2006

Asthma Walk 2006Asthma Walk is a nation wide effort to bring attention to this devastating chronic illness. The Asthma Walk is designed to increase awareness of asthma, and raise funds for vital...Flash - Video

Asthma Doesn't Stop the Bus

Asthma Doesn't Stop the BusThank you, Bus, for everythingFlash - Video

Youtube Poop: Luigi has Asthma

Youtube Poop: Luigi has AsthmaThe second in my 'Luigi has' series, and the first in my Super Mario world poop. Luigi reads Yoshi a bed-time story but has an epileptic fit. We've all been there. The episode is...Flash - Video

Asthma treatment breakthrough

Asthma treatment breakthrough Scientists are working on a radical treatment for asthmatics who undergo serious attacks when they are suffering from a cold. Experts have discovered existing inhalers are not as...Flash - Video

Answers for Asthma

youdontknowmeIs it possible to have asthma and not have asthma attacks?youdontknowmeYes, it is. Symptoms are * Tightness in the chest * Characteristic 'wheezing' sound, especially when exhaling * Shortness of breath * Persistent cough, especially at night ...SidewinderDo live chickens aggravate asthma? Are there ways to remove spurs from young and growing roosters?Sidewinderyes they carry pet dander (DOWN) like any other bird... about the spurs I can't tell you, because I know nothing about this sorry.chris j.How is it that swimming is good for asthma?chris j.Because of the humidity. Your also not breathing in dry air and allergens that can trigger an attack.§♫♪‹(•¿•)›☼»-(¯`v´¯)-»\\What is the difference between Asthma and Chronic Bronchitis?§♫♪‹(•¿•)›☼»-(¯`v´¯)-»\\Chronic bronchitis is usually found only in heavy smokers. Asthma usually presents itself at a very young age while the other one presents in the 50+ age group. Chronic bronchitis is also associated w...Ben RHow exactly does Asthma relate to an individual?Ben RIt's the number one most treatable disease on the planet. While it is possible for a person who is still in the growth and devolopment stages of their life to have their asthma get better their airwa...
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