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Worldwide Variation in the Frequency of Celiac Disease and Changes Over Time

Celiac.com 09/16/2013 - Until recently, researchers thought celiac disease was mainly a problem in Northern Europe and Australasia, and uncommon in North America and the Middle East. However, with better data, researchers now regard celiac disease to be equally common in all these places.

Celiac disease is still generally seen as rare in Asia and Sub-Saharan Africa, but a team of researchers wanted to get a better idea of geographical differences and time trends in the frequency of celiac disease.

The research team included J. Y. Kang, A. H. Y. Kang, A. Green, K. A. Gwee, and K.Y. Ho. They are affiliated with the Department of Gastroenterology, St George's Hospital, London, UK, the Yong Loo Lin School of Medicine at the National University of Singapore, and with the Department of Gastroenterology and Hepatology at the National University Health System in Singapore.

To get the data that would help them to compare geographical differences and time trends, the team conducted Medline and Embase searches covering a period from 1946 to 1980, using the key words: coeliac disease or celiac disease + prevalence, incidence or frequency.

Their data showed significant differences between and within countries in the prevalence and incidence of celiac disease. For example, in all of reported English medical literature, there have been only 24 ethnic Chinese and Japanese patients with celiac disease.  Of celiac-associated HLA DQ antigens, DQ2 occurs in 5–10% of Chinese and sub-Saharan Africans, compared to 5–20% in Western Europe. DQ8 occurs in 5–10% of English, Tunisians and Iranians, but in less than 5% of Eastern Europeans, Americans and Asians.

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Rates and overall numbers of both clinically and serologically diagnosed celiac disease have risen in recent years. Celiac disease is increasing in frequency, with significant geographical differences.

The team's geographical and temporal differences seem genuine, but a large number of hypothesis and lack of diagnostic facilities have made it difficult to reach any solid conclusions.

Although few cases have been found in Asia and Sub-Saharan Africa, there is a significant prevalence of HLA DQ2 and wheat consumption is about the same as in Western Europe.

It is possible that celiac disease may become more common in these countries in the future.

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If you're going to continue to push for a diagnosis stay on gluten! A break could lead to a false negative. It's a lot harder to go off it and then go back on...

I still prefer steaming, but I wash my white rice throughly. I purchase California rice which has a lower level of arsenic. Moderation is key to most everything! ?

I eat pretty much grain free just fine, I eat fats instead. But on a side note I posted some specialty and grain free options as of late in the food alternative page where I list companies and food product alternatives. I honestly just welcomed bread back into my life, I found a company that makes grain free bread out of nut flours. Given you have to toast the dang bread to use it well but seems to work decently. Pasta there are carb free versions out there, and there are ones made with quinoa, buckwheat, or other grains, I even know one company that makes nut flour based ones. You can get these gluten-free options and avoid the rice. As to levels of arsenic they do test foods for these, and all should be safe, the trace amounts and the sheer amount you would have to eat to get effected is staggering, a bit of rice will not hurt you regardless if your concerned I know gluten-free watchdog does arsenic testing on products you could check and find the "safest ones" for your concerns.

I've forgotten them, just remember the good stuff. Weekends in Baja or Vegas or up Pacific highway to see the Redwoods and Frisco. Watching the sunrise at Mount Soledad and watching it drop into the Pacific in the evening. Carne Asada Burritos on Garnet* Solana beach ale* Gorgeous women entranced by my exotic accent, humboldt county weed, raves at the romper room, *1.99 are you out of your mind Denny Breakfasts, Christmas on the beach, *Beers in the gaslamp quarter. I need one of these * which by the power of my imagination have magically become gluten free AANNNYWAAY... Arsenic in rice. Yeah.

Oh, it definitely struck me as very odd! It also says "no significant increase in intraepithelial lymphocytes". That's their favorite word I guess! My blood work pre-biopsy also showed increase lymphocytes and my primary doctor said it usually means increased inflammation. Doing all the things I can now---filing a complaint, I've emailed my doctors to tell them I'm upset and don't think I received proper care, I'm in the process of trying to see a naturopath that diagnosed a friend of a friend w celiac. I'm going to see if i can get the other blood work done with them---and I've been gluten free for a week and a half!