Healthy Living

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Over Diagnosing Food Allergies


Over Diagnosing Food Allergies… Is something we are starting to see more and more of.

By Heather Legg | May 18, 2010
“One positive allergy test result does not a food allergy make,” states Dr. Hugh Sampson, chief of pediatric allergy and immunology at New York’s Mount Sinai School of Medicine regarding a paper published Wednesday in the Journal of the American Medical Association.
Author of this paper, Dr. Marc Riedl, an allergists and immunologist a the University of California in LA says the true incidence of food allergies is far less than the number of people who believe they have one. He says “roughly half of the people who believe they have an allergy, do not.”

There are a few reasons for this, and some are self diagnosing where the cause is actually heartburn or food intolerance, or doctors who have misinterpreted allergy test results. Skin testing isn’t really a reliable method for food allergy testing, we are finding out. Both skin tests and blood tests only indicate whether the body produces enough antibodies to fight the food, but that doesn’t meant there is intolerance or allergy.

Another finding of this paper is that there is “no unified definition of what a food allergy is or how to test for it reliably.” Many people consider an intolerance an allergy, even though there are no life threatening aspects about it.

Diagnosing has increased dramatically over the past few years and though eating foods that cause allergic reactions certainly is dangerous and needs to be be avoided, avoiding foods that are not dangerous has its own health issues. Not only are nutritional deficiencies caused, for instance, poor bone growth from avoiding dairy, but also it is stressful and difficult. A lot of effort is put into avoidance, checking labels and restaurants, bringing your own food to social events. And because food plays such a large role in our society, there are the social repercussions as well – parents are more fearful for their children who have supposed allergies and it can become quite isolating for both adults and children.

Riedl also says overdiagnosis “leads to some trivialization of this condition and people start to associate a food allergy with dislike of a food or mild intolerance,” which makes people take true food allergies less seriously.

So what do you do? How do you know if you are your child is truly allergic? The “gold standard” Riedl says, is the oral food challenge. The food is actually ingested under observation and reaction is observed. Other than that, it is up to the individual to decide how he will handle his allergy.

Being a Chef I have seen an array of concerns for allergies. Some make sure that the Chef and kitchen are aware of their allergy and others just brush it off. Sometimes the most bothersome thing I hear is, “Oh we have an Epipen if she/he has a reaction” and it is said very casually. Lets just say that I have become an avid label reader for my guests. But this article does give you something to think about. What are your thoughts?

Cheers to Your Optimal Health!
Katrina van Oudheusden

Source for information:

http://abcnews.go.com/GMA/Parenting/suffer-phantom-food-allergies-journal-american-medical-association/story?id=10634044&page=1

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May 28, 2010 - Posted by | Allergies, Food Allergies, Health and Wellness, Nutrition | , , , , ,

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