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	Asthma - Wikipedia, the free encyclopedia
		Asthma is a complex disease that is influenced by multiple genetic, developmental, and environmental factors, which interact to produce the overall condition.
		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, and the presence of a paradoxical pulse (a pulse that is weaker during inhalation and stronger during exhalation).
		One theory of pathogenesis is that asthma is a disease of hygiene.
	en.wikipedia.org /wiki/Asthma (5511 words)

	Asthma: Encyclopedia of Children's Health
		Asthma is a chronic (long-lasting) inflammatory disease of the airways.
		Asthma can begin at any age, but most children experience their first symptoms by the time they are five years old.
		Asthma may be diagnosed by the child's primary pediatrician or an asthma specialist, such as an allergist.
	health.enotes.com /childrens-health-encyclopedia/asthma (5239 words)

	Asthma
		Asthma is an inflammatory disorder of the airways, characterized by periodic attacks of wheezing, shortness of breath, chest tightness, and coughing.
		Asthma is a disease in which inflammation of the airways causes airflow into and out of the lungs to be restricted.
		Asthma symptoms can also be triggered by respiratory infections, exercise, cold air, tobacco smoke and other pollutants, stress, food, or drug allergies.
	www.umm.edu /ency/article/000141.htm (410 words)

	Asthma: General Information: Basic Facts \| CDC APRHB
		Asthma is a disease that affects your lungs.
		When you control your asthma, you won’t have symptoms like wheezing or coughing, you’ll sleep better, you won’t miss work or school, you’ll be able to take part in all physical activities, and you won’t have to visit the hospital.
		If a person has a parent with asthma, he or she is three to six times more likely to develop asthma than is a person who does not have a parent with asthma.
	www.cdc.gov /asthma/faqs.htm (1227 words)

	What Is Asthma?
		Asthma (Az-muh) is a chronic disease that affects your airways.
		Asthma cannot be cured, but most people with asthma can control it so that they have few and infrequent symptoms and can live active lives.
		Asthma is one of the leading causes of children missing school.
	www.nhlbi.nih.gov /health/dci/Diseases/Asthma/Asthma_WhatIs.html (380 words)

	HON Allergy Glossary Asthma
		Asthma can be defined clinically as a condition of intermittent, reversible airway constriction, due to a hyperreactivity to certain substances producing inflammation.
		In an asthma attack the smooth muscles of the lungs go into spasm with the surrounding tissue inflammed and secreting mucus into the airways.
		Asthma affects about 10 million Americans and seems to be on the increase (between 1982 and 1992 a 42% rise was recorded).
	www.hon.ch /Library/Theme/Allergy/Glossary/asthma.html (146 words)

	Asthma
		Although the 1980s were characterized by increases in asthma morbidity and mortality, the most recent data indicate a plateauing of these trends occurred in the 1990s, and that asthma mortality rates have declined from 1998-2002.
		Asthma is characterized by specific biomarkers in expired air that reflect an altered airway redox chemistry, including lower levels of pH and increased reactive oxygen and nitrogen species during asthmatic exacerbations.
		Mild-to-moderate asthma is typically associated with respiratory alkalosis and mild hypoxemia on the basis of ventilation-perfusion mismatching.
	www.clevelandclinicmeded.com /diseasemanagement/pulmonary/asthma/asthma.htm (3991 words)

	Asthma
		Asthma (say: az-muh) is a condition that affects a person's airways, which are also called breathing tubes or bronchial (say: brong-kee-ul) tubes.
		That means if a kid has asthma, he or she may also have a parent, sibling, uncle, or other relative who has asthma or had it as a child.
		Common allergens for kids with asthma include dust mites (tiny bugs that live in dust), mold (if you've ever been in a damp basement and smelled something funny, it was probably mold), and pollen (from trees, grass, and weeds).
	kidshealth.org /kid/health_problems/allergy/asthma.html (1169 words)

	Asthma
		Asthma symptoms can be brought on by dozens of different things, and what causes asthma flares in one person might not bother another at all.
		Most people with asthma are diagnosed with the condition when they're kids, but some don't find out that they have it until their teen years.
		Most asthma medications are inhaled (which means that a person takes the medication by breathing it into the lungs), but asthma medications can also take the form of pills or liquids.
	www.kidshealth.org /teen/diseases_conditions/allergies_immune/asthma.html (1926 words)

	MedlinePlus Medical Encyclopedia: Asthma
		Asthma symptoms can be substantially reduced by avoiding known allergens and respiratory irritants.
		If someone with asthma is sensitive to dust mites, exposure can be reduced by encasing mattresses and pillows in allergen-impermeable covers, removing carpets from bedrooms, and by vacuuming regularly.
		Allergy desensitization may be helpful in reducing asthma symptoms and medication use, but the size of the benefit compared with other treatments is not known.
	www.nlm.nih.gov /medlineplus/ency/article/000141.htm (1127 words)

	eMedicine - Asthma : Article by Michael J Morris, MD
		Asthma is a chronic inflammatory disorder of the airways in which many cells and cellular elements play a role, in particular, mast cells, eosinophils, T lymphocytes, macrophages, neutrophils, and epithelial cells.
		The presence of airway hyperresponsiveness or bronchial hyperreactivity in asthma is an exaggerated response to numerous exogenous and endogenous stimuli.
		Rapidly worsening asthma or a lack of response to the initial therapy in the emergency department is an indication for ICU admission.
	www.emedicine.com /med/topic177.htm (8951 words)

	Asthma information including the types of asthma, symptoms, treatments, medications and the link to allergies
		T or F Asthma can be cured, so it is not serious and nobody dies from it.
		F - Asthma is best controlled by having an asthma management plan designed by your doctor that includes the medications used for quick relief and those used as controllers.
		Chest X-ray - A chest x-ray is a radiology test that involves exposing the chest briefly to radiation to produce an image of the chest and the internal organs of the chest.
	www.medicinenet.com /asthma/article.htm (694 words)

	Asthma \| CDC APRHB
		Asthma surveillance data includes collection of state-level adult asthma prevalence rates; data on days of restricted activity, days in bed, days of work or school lost, physician visits, and hospitalizations due to asthma; and collection of in-depth state and local asthma data through development and testing of a National Asthma Survey...
		Asthma can be controlled by taking medicine and avoiding the triggers that can cause an attack.
		Information on potentially effective interventions for asthma control, including methodology for identification of the interventions, results, lessons learned, information on the interventions themselves, a bibliography, and sample case studies of interventions...
	www.cdc.gov /asthma (397 words)

	Asthma (Site not responding. Last check: 2007-10-21)
		Asthma is a condition characterized by airway hyperresponsiveness, which results in reversible increases in bronchial smooth muscle tone, and variable amounts of inflammation of the bronchial mucosa.During an acute asthma attack, the already inflamed airways narrow further due to bronchospasm, which leads to increased airway resistance.
		Because of the increased smooth muscle tone during an asthma attack, the airways also tend to close at abnormally high lung volumes, trapping air behind occluded or narrowed small airways.Thus the acute asthmatic will breathe at high lung volumes, his functional residual capacity will be elevated, and he will inspire close to total lung capacity.
		This includes a decrease in the rate of maximal expiratory air flow (a decrease in FEV1 and the FEV1/FVC ratio) due to the increased resistance, and a reduction in forced vital capacity (FVC) correlating with the level of hyperinflation of the lungs.
	oac.med.jhmi.edu /res_phys/Encyclopedia/Asthma/Asthma.HTML (269 words)

	Asthma Life: MedlinePlus Medical Encyclopedia: Asthma Medical Encyclopedia. Asthma. Contents (Site not responding. Last check: 2007-10-21)
		Asthma is a disease in which inflammation of the airways causes airflow into and out of the lungs...
		Asthma is a serious condition in which inflammation and narrowing of the airways (called the bronchial tubes) causes...
		Asthma is one of the leading causes of children missing...
	www.asthmalife.com /asthma_causes/_medlineplus_medical_encyclope.html (315 words)

	eMedicine - Asthma : Article by Carlos A Camargo, Jr, MD, DrPH
		Pathophysiology: Asthma is a condition characterized by paroxysmal narrowing of the bronchial airways due to inflammation of the bronchi and contraction of the bronchial smooth muscle.
		Asthma prevalence is 6-10% (ie, 20-25 million persons); one half of these cases are children (ie, 8-20% of all children).
		Asthma education efforts after the ED visit usually can address a much larger number of issues than during the actual ED visit, when teaching needs to be extremely focused.
	www.emedicine.com /emerg/topic43.htm (7096 words)

	Asthma Tutorial
		Asthma is a disease of the respiratory system.
		Your respiratory system is made up of your nose and mouth, your windpipe (also called your trachea, pronounced tray-key-uh), your lungs, and a bunch of air tubes (or airways) that connect your nose and mouth with your lungs (these tubes are called bronchi and bronchioles, prounounced bron-kye and bron-key-oles).
		When people who have asthma have this trouble breathing, we call it an asthma attack.
	www.healthsystem.virginia.edu /internet/pediatrics/patients/Tutorials/asthma (165 words)

	The Asthma Foundation of Victoria
		The Asthma Foundation of Victoria is urging people to ensure they know what to do in case of an asthma emergency.
		Even people who consider their asthma to be well controlled can end up in the hospital with an asthma exacerbation, or suffer a life-threatening attack.
		To celebrate National Asthma Week and the theme of Blow Your Asthma Away, the Asthma Foundation of Victoria is launching a poster competition for Victorian primary and secondary schools.
	www.asthma.org.au (338 words)

	Asthma Center - MayoClinic.com
		Tips for managing your asthma and your child's asthma, using asthma treatment and coping with asthma.
		Asthma in adults: Gain control with written plans Managing asthma can be complicated.
		Mayo Clinic asthma and allergy specialist James Li, M.D., and colleagues answer select questions from readers.
	www.mayoclinic.com /health/asthma/AS99999 (167 words)

	Asthma - MayoClinic.com
		Asthma occurs when the main air passages of your lungs, the bronchial tubes, become inflamed.
		In some cases, your breathing may be so labored that an asthma attack becomes life-threatening.
		You and your doctor can work together to control asthma, reduce the severity and frequency of attacks and help maintain a normal, active life.
	www.mayoclinic.com /health/asthma/DS00021 (235 words)

	Click2Houston.com - Health Encyclopedia - Common Asthma Triggers
		Many of the same substances that trigger allergies can also trigger asthma.
		Other asthma triggers include irritants like smoke, pollution, fumes, cleaning chemicals, and sprays.
		Asthma symptoms can be substantially reduced by avoiding exposure to known allergens and respiratory irritants.
	www.click2houston.com /encyclopedia/6867462/detail.html (333 words)

	MedlinePlus: Asthma
		Asthma in Adults: Gain Control with Written Plans (Mayo Foundation for Medical Education and Research)
		Asthma: Cold and Flu Action Plan (Mayo Foundation for Medical Education and Research)
		The primary NIH organization for research on Asthma is the National Heart, Lung, and Blood Institute
	www.nlm.nih.gov /medlineplus/asthma.html (703 words)

	Asthma and Indoor Environments \| Air \| US EPA
		IMPACT DC (Improving Pediatric Asthma Care in the District of Columbia) and Blue Cross of California, State Sponsored Business Unit (SSB) are this year's winners.
		Each year, in the month of May, EPA joins international, national and local Asthma Awareness Month Activities to increase public understanding of asthma and environmental asthma triggers.
		EPA and the University of Michigan have released the results of an international study of over 400 asthma programs in one of the most wide-reaching assessments to date.
	www.epa.gov /asthma (335 words)

	WebMD Asthma Health Center - Information on asthma treatment, triggers and prevention
		Asthma affects an estimated 17 million people in the U.S. alone.
		The epidemic increase in asthma incidence among children in the U.S. and other industrialized countries may finally be stabilizing, according to International Study of Asthma and Allergies in Children.
		Children who wheeze and develop allergies in the first three years of life may be at risk for asthma.
	www.webmd.com /diseases_and_conditions/asthma.htm (287 words)

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