utorak, 16. kolovoza 2011.

About Allergies: Are You Allergic to Soy?

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From Daniel More, MD, your Guide to Allergies
Soy allergy is one of the most common types of food allergies, especially in children. Soy allergy can persist in adulthood, and can cause a variety of allergy symptoms, including eczema, hives, and even anaphylaxis. Many people with soy allergy can also have positive allergy tests to other related legumes, including peanut, beans and peas -- but are these true allergies? Soy avoidance can be quite difficult, since soy is in many packaged and prepared foods. Learn all about soy allergy, including how the diagnosis is made, the symptoms that soy allergy can cause, other foods that might be involved, and how to avoid soy in common foods.

Everything About Soy Allergy
Soybeans are a member of the legume family, which includes other foods such as peanuts, beans and peas. Soybeans are commonly used in the commercial processing of foods, since they provide a low-cost, high-quality form of protein that is widely available. Soy protein is therefore commonly encountered in daily life, with children being exposed at a young age. Soy protein is a common substitute for milk protein in infant formulas, and is often touted as "gentler" for the gastrointestinal tract of babies.

Soy Allergy and Other Legumes
While soybeans share similar proteins with other legumes (such as peanuts, peas, beans and lentils), most people with peanut allergy can eat other legumes. However, many people are told to avoid all legumes because allergy tests often show positive results to more than one legume. This is a result of cross-sensitization, meaning that the similar proteins found in legumes bind to the same allergic antibodies directed against soy proteins. However, many studies show that true cross-reactivity among various legumes, meaning that allergic reactions actually occur in soy-allergic people when other legumes are eaten, is only about 5%.
See More About:  peanut allergy  food allergy 

Follow a Soy-Free Diet
Have you been diagnosed as having a soy allergy? Are you confused as to which foods you need to avoid? Learn all about the foods you should avoid if you have a soy allergy.
See More About:  food allergies  skin testing  allergist



 


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