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News tagged with allergen

Allergic disease worsens respiratory symptoms and exacerbations in COPD

Patients with chronic obstructive pulmonary disease (COPD) who also have allergic disease have higher levels of respiratory symptoms and are at higher risk for COPD exacerbations, according to a new study from researchers ...

Diseases, Conditions, Syndromes created May 10, 2013 | popularity not rated yet | comments 0

Study demonstrates that once-a-day pill offers relief from ragweed allergy symptoms

An international team of researchers, led by physician-scientists at Johns Hopkins, reports that a once-daily tablet containing a high dose of a key ragweed pollen protein effectively blocks the runny noses, sneezes, nasal ...

Immunology created May 07, 2013 | popularity not rated yet | comments 0

Want tots without allergies? Try sucking on their pacifiers

(HealthDay)—A new Swedish study suggests that parents who want to protect their infants from developing allergies should try a simple approach to introducing their children to the wide world of microbes: ...

Immunology created May 06, 2013 | popularity 4.7 / 5 (13) | comments 2 | with audio podcast

Oral drops can give kids needle-free relief from asthma, allergies

Allergy shots are commonly used to treat children with severe environmental allergies and asthma, but under-the-tongue drops may offer yet another beneficial—and stick-free—option for pediatric allergy sufferers, according ...

Immunology created May 06, 2013 | popularity not rated yet | comments 0

Prebiotics: Do supplements in baby formula help prevent allergies?

Prebiotic supplements in infant formula may help to prevent eczema, according to a systematic review published in The Cochrane Library. However, the review highlights a lack of high quality evidence for the effects of pre ...

Health created Mar 27, 2013 | popularity not rated yet | comments 0

Review article examines sublingual immunotherapy for treatment of allergic rhinitis and asthma

In an examination of a type of treatment for allergic rhinitis and asthma that is used in Europe but not approved by the U.S. Food and Drug Administration, researchers found moderate strength in the evidence from previous ...

Immunology created Mar 26, 2013 | popularity not rated yet | comments 0 | with audio podcast

First model of how Sydney pollutants may drive childhood asthma

The first study of the effects of Sydney's air pollution on the development of asthma has been carried out at UNSW.

Health created Mar 18, 2013 | popularity not rated yet | comments 0

Winter weather plays a role in spring allergies, expert says

(HealthDay)—The start of allergy season is overlapping with the cold and flu season in some parts of the United States, leading some people to wonder which ailment they have, an expert says.

Immunology created Mar 03, 2013 | popularity not rated yet | comments 0

Babies born by C-section at risk of developing allergies, research says

For expectant moms who may contemplate the pros and cons of natural child birth or Caesarian section, a Henry Ford Hospital study suggests that C-section babies are susceptible to developing allergies by age two.

Immunology created Feb 24, 2013 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Race linked to childhood food allergies, not environmental allergies

Research conducted at Henry Ford Hospital shows that race and possibly genetics play a role in children's sensitivity to developing allergies.

Immunology created Feb 23, 2013 | popularity not rated yet | comments 0

Air pollution primes children for asthma-related cockroach allergy

An allergic reaction to cockroaches is a major contributor to asthma in urban children, but new research suggests that the insects are just one part of a more complex story. Very early exposure to certain components of air ...

Immunology created Feb 06, 2013 | popularity 5 / 5 (1) | comments 0

Study finds health departments hindered in addressing health concerns from animal production sites

State and local health departments face significant barriers and usually do not get involved when confronted with public health concerns resulting from food animal production sites, according to a new study led by researchers ...

Health created Feb 04, 2013 | popularity not rated yet | comments 0

Children with egg allergies can safely receive flu vaccine, study says

Egg allergic children, including those with a history of anaphylaxis to egg, can safely receive a single dose of the seasonal influenza vaccine, according to a new study from the University of Michigan.

Immunology created Jan 22, 2013 | popularity not rated yet | comments 0

Workplace link to one in six cases of adult asthma among UK baby boomers

The workplace may be responsible for around one in six cases of adult asthma among the British baby boomer generation - those born in the late 1950s - reveals research published online in the respiratory journal Thorax.

Health created Jan 21, 2013 | popularity not rated yet | comments 0

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 created Jan 16, 2013 | popularity 3 / 5 (1) | comments 0

Allergen

An allergen is a nonparasitic antigen capable of stimulating a type-I hypersensitivity reaction in atopic individuals.

Most humans mount significant Immunoglobulin E (IgE) responses only as a defense against parasitic infections. However, some individuals mount an IgE response against common environmental antigens. This hereditory predisposition is called atopy. In atopic individuals, non-parasitic antigens stimulate inappropriate IgE production, leading to type I hypersensitivity. Sensitivities vary from one person to another and it is possible to be allergic to an extraordinary range of substances.

For more information about Allergen, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.

Related topics: allergy