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What is an allergy

An allergy is a reaction that occurs in people who are sensitive to certain harmless substances as cosmetics, animal hair, pollen, food, medicine and climate conditions such as heat and the sun may be in another. An allergic reaction can occur anywhere in the body in the eyes of 'skin, lungs or digestive tract. While allergies can occur at any time, just the symptoms in childhood tend to leaveover time, and many will go away completely. A tendency to allergy is largely genetic, while the nature of allergies may be of different generations.

Genetic

Allergies such as asthma, nasal allergies, hay fever, eczema and certain types of headache, the trend in allergic family. A family member may suffer from asthma, while another may suffer from eczema. Allergists have a hereditary predisposition observed inThe acquisition of allergy. If both parents suffer from allergies all his children owns approximately 75% can buy one of them. If only one parent suffers from an allergy, the chances are 50% or less.

Food Allergy

Some include food allergies, or the release of histamine, while the chemical transformation have emerged. These foods are tuna or other canned products. Others who are promoting these food allergiesAdditives such as dyes, preservatives or flavor enhancers. Allergy is mainly the result of poor implementation of the immune system that responds to an allergen in the production of antibodies, as if the substance was harmful. Today, 1 in 12 children under the age of 6 symptoms of food allergy and 1 in 25 is a food allergy are tested.

Histamine Effects

First, greater permeatation an allergic reaction to the small bloodVessels for the liquid component of the serum run in the tissues. That condition results in blisters, swelling and irritation of some tissues, such as nose, eyes and skin.

Secondly, it causes muscle spasms, particularly in the bronchi. This has serious respiratory and asthma attacks. In cases of intense, plugs sensitivity, a non-human serum or insects penicillin can antitoxin of anaphylactic reaction (shock, surprise), this can be putbe life threatening.

Approximately 15% of the U.S. population suffers from allergies or some other. However, because a certain allergy develops, it is still a medical mystery. Although allergies can not be completely cured, is to build the treatment may to some allergens.