News tagged with allergens

Related topics: children , asthma

People with allergies may have lower risk of brain tumors

(Medical Xpress) -- New research adds to the growing body of evidence suggesting that there's a link between allergies and reduced risk of a serious type of cancer that starts in the brain. This study suggests the reduced ...

Aug 03, 2012
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FDA cautions against 'undeclared' food allergens

(HealthDay)—Some food labels may not reliably list all possible food allergens, according to the U.S. Food and Drug Administration. The agency added that these "undeclared allergens" are the leading cause ...

Oct 29, 2014
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Defining allergy fact from fiction

From gluten allergy and hypoallergenic pets, to avoiding the flu shot because of an egg allergy, there are a lot of common myths and misconceptions about allergies. Many might be shocking due to a great deal of false information ...

Nov 07, 2013
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Exercise benefits people with asthma

Appropriate exercise programs can provide valuable benefits to people with asthma, helping to reduce the severity of attacks or prevent them entirely, finds a new evidence review in The Cochrane Library. The re ...

Sep 25, 2013
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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.

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