Asthma
Pollen exposure during pregnancy affects child's risk of early asthma
A woman's exposure to high pollen levels in late pregnancy increases the risk of early asthma in the child, according to a group of researchers at Sweden's Umeå University in a recent study.
Inflammatory disorders
Jan 07, 2013 |
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One in 20 cases of pre-eclampsia may be linked to air pollutant
One in every 20 cases of the serious condition of pregnancy, pre-eclampsia, may be linked to increased levels of the air pollutant ozone during the first three months, suggests a large study published in the online journal ...
Health
Feb 06, 2013 |
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Studies for approval of new drugs have insufficient patients to evaluate safety
For medicines intended for chronic use, the number of patients studied before regulatory approval is insufficient to properly evaluate safety and long-term efficacy, requiring the need for new legislation, according to a ...
Medications
Mar 19, 2013 |
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Healthcare professionals as bad as patients at good respiratory inhaler technique
Healthcare professionals are as bad as patients when it comes to knowing how to use inhalers prescribed for asthma and other respiratory conditions correctly, says an editorial in Drug and Therapeutics Bulletin (DTB).
Diseases, Conditions, Syndromes
Oct 03, 2012 |
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Can allergies thwart fatal colon cancer?
(HealthDay)—A new study suggests that people who suffer from both hay fever and asthma may be less likely to die from colon cancer.
Cancer
Oct 18, 2012 |
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Single combo inhaler beats standard rx in asthma
(HealthDay)—Maintenance and reliever therapy with a single inhaled corticosteroid plus a rapid-onset, long-acting, β2 agonist (formoterol) seems beneficial for patients with asthma, according to two stu ...
Diseases, Conditions, Syndromes
Mar 05, 2013 |
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Mepolizumab almost halves exacerbations in patients with severe asthma
The largest study of patients with severe asthma to date, published in the Lancet special issue on respiratory medicine, shows that those treated with the monoclonal antibody mepolizumab experienced an almost 50 percent reduct ...
Immunology
Aug 16, 2012 |
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Stopping controversial asthma drugs could have downside: study
(HealthDay)—It's OK for some patients with asthma to stick with a combination of medications instead of abandoning one because of concerns about complications, a new analysis of existing research suggests.
Immunology
Aug 27, 2012 |
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Energy-efficient homes trap air pollution indoors, may contribute to rise in asthma rates
In an effort to protect the environment and save on energy costs, we are in the midst of a "green" home boom in this country. Between remodeling older houses and building new ones, it's estimated that millions of American ...
Health
Jan 16, 2013 |
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Exposure to violence, gene changes linked to asthma in Puerto Rican children
Puerto Rican children who have asthma are more likely to be exposed to violence and to have changes in a gene that is associated with stress, according to a new study led by researchers at Children's Hospital of Pittsburgh ...
Diseases, Conditions, Syndromes
Mar 19, 2013 |
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Link ID'd for introduction of fish, childhood wheeze
(HealthDay)—The introduction of fish between the ages of 6 and 12 months, but not consumption afterward, correlates with a reduction in the risk of wheezing in children at age 48 months, according to a ...
Pediatrics
Nov 12, 2012 |
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Study: Why hot, humid air triggers symptoms in patients with mild asthma
May is asthma awareness month, and with summer right around the corner, a study shows that doctors may be closer to understanding why patients with mild asthma have such difficulty breathing during hot, humid weather. The ...
Immunology
Jun 06, 2012 |
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Maternal obesity increases the risk of frequent wheezing in offspring
The fact that excess weight during pregnancy has negative consequences is not new information. A new study now concludes that the children of mothers obese before falling pregnant are four times more likely ...
Pediatrics
Mar 08, 2013 |
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Dog-associated house dust protects against respiratory infection linked to asthma
House dust from homes with dogs appears to protect against infection with a common respiratory virus that is associated with the development of asthma in children. Researchers from the University of California, San Francisco, ...
Immunology
Jun 19, 2012 |
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Risk factors for an exacerbation-prone asthma phenotype
A number of specific risk factors are associated with an exacerbation-prone phenotype of severe asthma, according to a new study from researchers in Sweden.
Immunology
May 20, 2012 |
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Asthma (from the Greek άσθμα, ásthma, "panting") is the common chronic inflammatory disease of the airways characterized by variable and recurring symptoms, reversible airflow obstruction, and bronchospasm. Symptoms include wheezing, coughing, chest tightness, and shortness of breath. Asthma is clinically classified according to the frequency of symptoms, forced expiratory volume in 1 second (FEV1), and peak expiratory flow rate. Asthma may also be classified as atopic (extrinsic) or non-atopic (intrinsic).
It is thought to be caused by a combination of genetic and environmental factors. Treatment of acute symptoms is usually with an inhaled short-acting beta-2 agonist (such as salbutamol). Symptoms can be prevented by avoiding triggers, such as allergens and irritants, and by inhaling corticosteroids. Leukotriene antagonists are less effective than corticosteroids and thus less preferred.
Its diagnosis is usually made based on the pattern of symptoms and/or response to therapy over time. The prevalence of asthma has increased significantly since the 1970s. As of 2010, 300 million people were affected worldwide. In 2009 asthma caused 250,000 deaths globally. Despite this, with proper control of asthma with step down therapy, prognosis is generally good.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
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