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      Frequently Asked Questions About Celiac Disease   04/07/2018

      This Celiac.com FAQ on celiac disease will guide you to all of the basic information you will need to know about the disease, its diagnosis, testing methods, a gluten-free diet, etc.   Subscribe to Celiac.com's FREE weekly eNewsletter   What are the major symptoms of celiac disease? Celiac Disease Symptoms What testing is available for celiac disease?  Celiac Disease Screening Interpretation of Celiac Disease Blood Test Results Can I be tested even though I am eating gluten free? How long must gluten be taken for the serological tests to be meaningful? The Gluten-Free Diet 101 - A Beginner's Guide to Going Gluten-Free Is celiac inherited? Should my children be tested? Ten Facts About Celiac Disease Genetic Testing Is there a link between celiac and other autoimmune diseases? Celiac Disease Research: Associated Diseases and Disorders Is there a list of gluten foods to avoid? Unsafe Gluten-Free Food List (Unsafe Ingredients) Is there a list of gluten free foods? Safe Gluten-Free Food List (Safe Ingredients) Gluten-Free Alcoholic Beverages Distilled Spirits (Grain Alcohols) and Vinegar: Are they Gluten-Free? Where does gluten hide? Additional Things to Beware of to Maintain a 100% Gluten-Free Diet What if my doctor won't listen to me? An Open Letter to Skeptical Health Care Practitioners Gluten-Free recipes: Gluten-Free Recipes
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    WHY DO SO FEW PATIENTS WITH NON-CELIAC GLUTEN SENSITIVITY REACT TO GLUTEN CHALLENGES?


    Jefferson Adams

    Celiac.com 11/30/2015 - A new study by researchers in Italy shows that only a minority of patients who meet clinical criteria for non-celiac gluten sensitivity actually show symptoms when exposed to gluten in a controlled gluten challenge. Why is that?


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    Photo: CC--Dean HochmanResearchers haven't had much good information on whether symptoms in people who meet clinical diagnostic criteria for non-celiac gluten sensitivity (NCGS) are specifically triggered by gluten. To provide better information, a team of researchers recently set out to assess gluten sensitivity in patients diagnosed with NCGS.

    The research team includes B. Zanini; R. Basché; A. Ferraresi; C. Ricci; F. Lanzarotto; M. Marullo; V. Villanacci; A. Hidalgo; and A. Lanzini. They are variously affiliated with Department of Gastroenterology, and the Department of Pathology at the University and Spedali Civili of Brescia, Brescia, Italy, and the Department of Food, Environmental and Nutritional Sciences at the University of Milan, Milan, Italy.

    For their in a double-blind challenge study, their team looked at 31 females and 4 males without celiac disease, who were following a gluten-free diet (GFD). Participants were randomly broken into groups that received either gluten-containing flour or gluten-free flour for 10 days, followed by a 2-week washout period, followed by a switch in gluten-free/non-gluten-free diets.

    The main outcome measure was the test subjects' ability to identify which flour contained gluten. Secondary outcome measures were based upon Gastrointestinal Symptoms Rating Scale (GSRS) scores.

    Only 12 participants (34%) classified as having NCGS correctly pointed out the gluten-containing flour. These participants showed much higher average GSRS dimension scores following gluten challenge compared to baseline.

    The team measured scores for: pain, 1.7 ± 0.8 vs. 2.6 ± 1.0; reflux, 1.6 ± 0.5 vs. 2.2 ± 0.9; indigestion, 1.9 ± 0.7 vs. 3.2 ± 1.1; diarrhea, 1.6 ± 0.7 vs. 2.9 ± 1.5 and constipation, 1.9 ± 0.9 vs. 2.9 ± 1.3.

    Seventeen participants, nearly half, erroneously considered the gluten-free flour to contain gluten. Their average GSRS dimension scores were significantly higher following gluten-free flour challenge compared to baseline.

    The scores were: pain, 1.6 ± 0.9 vs. 3.0 ± 0.9; reflux, 1.4 ± 0.5 vs. 2.3 ± 1.1; indigestion, 2.0 ± 1.1 vs. 3.7 ± 1.1; diarrhea, 1.6 ± 0.7 vs. 3.0 ± 1.2 and constipation, 1.6 ± 0.9 vs. 2.6 ± 1.3.

    The other six participants (17%) were unable to distinguish between the flours.

    Based on this study, only about one in three patients with clinical non-celiac gluten sensitivity showed an adverse reaction to gluten.

    Clearly, more needs to be done to determine the exact nature of non-celiac gluten-sensitivity, and to determine what, if anything, may be driving these adverse reactions that can be triggered by non-gluten containing foods.

    Source:


    Image Caption: Photo: CC--Dean Hochman
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    Guest Michael

    Posted

    A woman in my CSA group who does not have DQ2 or 8, but rather perhaps 5 and 7 or 9 (can't remember) gets a migraine if eating a salad from which croutons have been removed. Gastroenterologists and people in general need to realize that the effects of gluten are more likely to be neurological than anyplace and more likely to be extra intestinal.

     

    I just met a woman with MS who says she cannot handle some kinds of gluten-free bread, and she is "trying" to be paleo, but did not even know she has to read the ingredients of a turkey, and she is sensitive to coconut.

     

    No wonder the gastroenterologists are confused.

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  • Related Articles

    Jefferson Adams
    Celiac.com 08/11/2014 - A study establishing the existence of non-celiac gluten sensitivity has been turned on its head; by the very scientist who conducted it. In 2011, a small but scientifically rigorous study found that dietary gluten can trigger gastrointestinal distress in people without celiac disease. That study was conducted by Peter Gibson at Monash University in Australia.
    Last year, Gibson published a follow-up study, which indicated that the real culprit might not be gluten, but fermentable, poorly absorbed short-chain carbohydrates known as FODMAPs. Specifically, Gibson’s second study found no effects of gluten in patients with self-reported non-celiac gluten sensitivity after dietary reduction of fermentable, poorly absorbed, short-chain carbohydrates. That is, once these alleged gluten-sensitive patients reduced their FODMAP intake, their symptoms disappeared, Whether or not they were consuming gluten.
    That study looked at 37 self-identified gluten-sensitive patients. Gibson’s team provided all meals for each subject for the duration of the trial. For each meal, the study team eliminated all potential dietary triggers for gastrointestinal symptoms, including lactose (from milk products), preservatives like benzoates, propionate, sulfites, and nitrites, and those fermentable, poorly absorbed short-chain carbohydrates called FODMAPs. They also collected urine and fecal samples from all subjects for the full study period. The team then randomly and secretly cycled test subjects through various high-gluten, low-gluten, and no-gluten (placebo) diets. No test subject had any idea which diet plan they were on at any given time.
    In the end, the results showed that test subjects self-identifying as ‘gluten-sensitive’ complained about every single diet — even the non-gluten placebo diet. They complained about pain, bloating, nausea, and gas to a similar degree, whether or not the food contained gluten. Gibson’s latest findings offer the more evidence against non-celiac gluten sensitivity as an actual medical condition. Among them, a full 65% of those who actually met criteria for NCGS showed intolerances to other foods, while 75% of those folks show poor symptoms control despite gluten avoidance.
    So, for now at least, attention remains on FODMAPs as a potential cause for the complaints previously associated with adverse gluten reactions in non-celiac individuals.
    So, to sum it up. The latest science argues against the existence of gluten sensitivity in non-celiac individuals, and indicates that the actual culprit behind gastric complaints in these cases might be fermentable, poorly absorbed short-chain carbohydrates called FODMAPs.
    Moreover, these results also stress the importance screening for celiac, and testing for other food sensitivities for those people claiming non-celiac gluten-sensitivity.
    Source:
    Gastroenterology. 2013 Aug;145(2):320-8.e1-3.

    Jefferson Adams
    Celiac.com 08/25/2014 - Numerous people without celiac disease claim to suffer from celiac-like gastrointestinal symptoms when they consume wheat, rye or barley products, and claim that avoiding these products makes them feel better. However, even though many people make this claim, this is largely a self-reported condition. Some data have supported the idea of gluten sensitivity, but the most recent and more complete data seem to indicate that the real culprit might not be gluten, but fermentable, poorly absorbed short-chain carbohydrates known as FODMAPs.
    In fact the same researcher whose early data supported the idea of non-celiac gluten sensitivity also headed the follow-up study that showed no effects of gluten in patients with self-reported non-celiac gluten sensitivity after dietary reduction of fermentable, poorly absorbed, short-chain carbohydrates.
    In this third study, that researcher, Peter Gibson at Monash University in Canada set out to assess patients who believe they have NCGS. The study team included Jessica R. Biesiekierski, PhD, RN; Evan D. Newnham, MD, FRACP; Susan J. Shepherd, PhD, APD; Jane G. Muir, PhD, APD; and Peter R. Gibson, MD, FRACP. They are variously affiliated with the Department of Gastroenterology, Eastern Health Clinical School, and the Department of Gastroenterology, Central Clinical School at Monash University, The Alfred Hospital in Melbourne, Australia, and with the Translational Research Center for Gastrointestinal Disorders, Herestraat in Leuven, Belgium.
    The team put out advertisements calling for adults who believed they had non-celiac gluten sensitivity (NCGS) and were willing to participate in a clinical trial. Respondents were asked to complete a questionnaire about symptoms, diet, and celiac investigation. They received 248 responses, and completed surveys on a total of 147 people. There were 17 men and 130 women, averaging 43.5 years of age.
    The team eliminated seventy-two percent of the respondents for inadequate exclusion of celiac disease (62%), uncontrolled symptoms despite gluten restriction (24%), and not following a GFD (27%), alone or in combination. A full 15% of respondents had received no testing or examination for celiac disease.
    Gluten avoidance was self-initiated in nearly half of respondents; while it was prescribed by alternative health professionals in 21%, by dietitians in 19%, and by general practitioners in 16%.
    Of 75 respondents who had received duodenal biopsies, nearly one-third had no gluten intake, or inadequate gluten intake, at the time of endoscopy. Inadequate celiac investigation was most common if gluten-avoidance was self-initiated (69%), alternative health professionals (70%), general practitioners (46%), or dietitians (43%).
    A total of 40 respondents fulfilled criteria for NCGS. Those folks showed excellent knowledge of and adherence to a gluten-free diet. However, a full 65% of those who met criteria for NCGS showed intolerance to other foods.
    Just over 1 in 4 respondents self-reporting as NCGS fulfill criteria for its diagnosis, while gluten-avoidance without adequate exclusion of celiac disease is common.
    In 75% of respondents, symptoms are poorly controlled despite gluten avoidance. These results also stress the importance of testing for other food sensitivities, and of celiac screening and evaluation for those people claiming non-celiac gluten-sensitivity.
    Clearly, more study needs to be done to determine if non-celiac gluten sensitivity exists, or if there are other possible causes for the symptoms.
    Sources:
    Nutr Clin Pract August 2014 vol. 29 no. 4 504-509 doi: 10.1177/0884533614529163 Gastroenterology. 2013 Aug;145(2):320-8.e1-3. doi: 10.1053/j.gastro.2013.04.051.  
    The team put out advertisements calling for adults who believed they had non-celiac gluten sensitivity (NCGS) and were willing to participate in a clinical trial. Respondents were asked to complete a questionnaire about symptoms, diet, and celiac investigation. They received 248 responses, and completed surveys on a total of 147 people. There were 17 men and 130 women, averaging 43.5 years of age.
     

    Jefferson Adams
    Celiac.com 03/23/2015 - There's been a bit of ping-ponging going on about the status of non-celiac gluten sensitivity as a valid medical condition. Studies have yielded conflicting results, with some supporting, and others negating, the existence of non-celiac gluten-sensitivity. 
    So what's the deal? Does non-celiac gluten sensitivity exist, or not? Researchers and clinicians continue to debate whether people without celiac disease or wheat allergy who consume gluten can experience intestinal and extra-intestinal symptoms attributable to non-celiac gluten sensitivity (NCGS).
    Taking the latest stab at the problem, a team of researchers recently conducted a randomized, double-blind, placebo-controlled, cross-over trial to determine the effects of administration of low doses of gluten to subjects with suspected NCGS. The research team included A. Di Sabatino, U. Volta, C. Salvatore, P. Biancheri, G. Caio, R. De Giorgio, M. Di Stefano, and G. R. Corazza. They are variously affiliated with the First Department of Internal Medicine at St Matteo Hospital Foundation at the University of Pavia in Pavia, Italy, and with the Department of Medical and Surgical Sciences at St Orsola-Malpighi Hospital at the University of Bologna in Bologna, Italy.
    For their study, the team enrolled 61 adults without celiac disease or wheat allergy, but who believe that eating gluten-containing food to be causing of their intestinal and extra-intestinal symptoms. The team randomly assigned participants to groups that received either 4.375 g/day gluten or rice starch (placebo) for 1 week, each via gastro-soluble capsules. Study subjects spend one week on a gluten-free diet, and then switched groups.
    The primary outcome was the change in overall (intestinal and extra-intestinal) symptoms, determined by established scoring systems, between gluten and placebo intake. A secondary outcome was the change in individual symptom scores between gluten vs placebo.
    Per-protocol analysis of data from the 59 patients who completed the trial shows that intake of gluten significantly increased overall symptoms compared with placebo (P=.034). Among the intestinal symptoms, abdominal bloating (P=.040) and pain (P=.047) were significantly more severe when subjects received gluten than placebo. Among the extra-intestinal symptoms, foggy mind (P=.019), depression (P=.020), and aphthous stomatitis (P=.025) were also worse when subjects received gluten than placebo.
    In this cross-over trial, subjects with suspected NCGS saw significantly more severe symptoms during 1 week of intake of small amounts of gluten, compared with placebo. So, at least for now, the NGCS ball seems to be back in the court that considers it a valid medical condition.
    Source:
    Clin Gastroenterol Hepatol. 2015 Feb 19. pii: S1542-3565(15)00153-6. doi: 10.1016/j.cgh.2015.01.029. Clinical trial no: ISRCTN72857280.

    Jefferson Adams
    Celiac.com 06/11/2015 - Non-celiac gluten sensitivity (NCGS) is a somewhat controversial emerging disorder. There is no current medical consensus regarding its criteria, and study data have been inconclusive.
    Many alternative health practitioners recommend gluten-free diets for people who claim to be sensitive to gluten, but do not have celiac disease. Despite numerous reports of people without celiac disease experiencing celiac-like symptoms when eating gluten, there are currently no clear diagnostic guidelines for NCGS. NCGS is still diagnosed by excluding celiac disease, and finding no reliable celiac biomarkers.
    A team of researchers recently set out to evaluate the prevalence, diagnostic exclusion of celiac disease and the efficacy of a gluten-free diet (GFD) for NCGS patients.
    The research team included J. Molina-Infante; S. Santolaria; D. S. Sanders; and F. Fernández-Bañares. They are variously affiliated with the Department of Gastroenterology, Hospital San Pedro de Alcantara, Caceres, Spain, the Department of Gastroenterology, Hospital San Jorge, Huesca, Spain, the Department of Gastroenterology, Royal Hallamshire Hospital, Sheffield Teaching Hospitals, Sheffield, UK, the Department of Gastroenterology, Hospital Universitario Mutua Terrassa, Barcelona, Spain, and with CIBERehd, Barcelona, Spain.
    Their team conducted a PubMed search through December 2014. They defined NCGS as self-reported gluten intolerance, negative celiac serology and absence of villous atrophy. They also included studies evaluating the impact of a GFD on patients with irritable bowel syndrome (IBS).
    They found that rates of NCGS (0.5–13%) varied considerably. Seventeen studies met the inclusion criteria for NCGS. The studies included 1561 patients, 26 of whom were children. HLA haplotypes could not be linked to histology, either by normal or lymphocytic enteritis (LE)] in 1,123 NCGS patients. Nearly half (44%) of NCGS patients tested positive for HLADQ2/DQ8 haplotypes.
    Using advanced diagnostic techniques that combine LE and HLADQ2/DQ8 haplotypes, the team reclassified 39 (20%) of 189 NCGS cases as celiac disease.
    They found a higher than expected family history of celiac disease and autoimmune disorders in NCGS patients. For HLADQ2 positive diarrhea-predominant IBS patients, a GFD resulted in variable, but significantly improved stool frequency.
    Rates of NCGS are extremely variable. A subset of NCGS patients might actually be part of what many researchers refer to as celiac disease "light."
    The long term benefit of a gluten-free diet for NCGS patients is currently unclear, but certainly the diet, if well-balanced, would not cause any issues. The researchers do note that HLADQ2 positive diarrhea-type IBS patients might gain symptom improvement from a gluten-free diet.
    Clearly more studies are needed to determine if NCGS is a bona fide medical condition, as many suspect. Until then, there is very little treatment available from medical practitioners, and many people with self-diagnosed NCGS will doubtless be left to self-treatment. For many, this will include avoiding gluten.
    Do you, a loved one, or someone you know have gluten-sensitivity without celiac disease? Share your thoughts and comments below.
    Source:
     Aliment Pharmacol Ther. 2015;41(9):807-820.

  • Recent Articles

    Jefferson Adams
    Celiac.com 04/23/2018 - A team of researchers recently set out to learn whether celiac disease patients commonly suffer cognitive impairment at the time they are diagnosed, and to compare their cognitive performance with non-celiac subjects with similar chronic symptoms and to a group of healthy control subjects.
    The research team included G Longarini, P Richly, MP Temprano, AF Costa, H Vázquez, ML Moreno, S Niveloni, P López, E Smecuol, R Mazure, A González, E Mauriño, and JC Bai. They are variously associated with the Small Bowel Section, Department of Medicine, Dr. C. Bonorino Udaondo Gastroenterology Hospital; Neurocience Cognitive and Traslational Institute (INECO), Favaloro Fundation, CONICET, Buenos Aires; the Brain Health Center (CESAL), Quilmes, Argentina; the Research Council, MSAL, CABA; and with the Research Institute, School of Medicine, Universidad del Salvador.
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    Connie Sarros
    Celiac.com 04/21/2018 - Dear Friends and Readers,
    I have been writing articles for Scott Adams since the 2002 Summer Issue of the Scott-Free Press. The Scott-Free Press evolved into the Journal of Gluten Sensitivity. I felt honored when Scott asked me ten years ago to contribute to his quarterly journal and it's been a privilege to write articles for his publication ever since.
    Due to personal health reasons and restrictions, I find that I need to retire. My husband and I can no longer travel the country speaking at conferences and to support groups (which we dearly loved to do) nor can I commit to writing more books, articles, or menus. Consequently, I will no longer be contributing articles to the Journal of Gluten Sensitivity. 
    My following books will still be available at Amazon.com:
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    Jefferson Adams
    Celiac.com 04/20/2018 - A digital media company and a label data company are teaming up to help major manufacturers target, reach and convert their desired shoppers based on dietary needs, such as gluten-free diet. The deal could bring synergy in emerging markets such as the gluten-free and allergen-free markets, which represent major growth sectors in the global food industry. 
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    The deal will likely make for easier, more precise targeting of goods to consumers, and thus provide benefits for manufacturers and retailers looking to better serve their retail food customers, especially in specialty areas like gluten-free and allergen-free foods.
    Source:
    fdfworld.com

    Jefferson Adams
    Celiac.com 04/19/2018 - Previous genome and linkage studies indicate the existence of a new disease triggering mechanism that involves amino acid metabolism and nutrient sensing signaling pathways. In an effort to determine if amino acids might play a role in the development of celiac disease, a team of researchers recently set out to investigate if plasma amino acid levels differed among children with celiac disease compared with a control group.
     
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    Compared with the control group, seven out of twenty-three children with celiac disease showed elevated levels of the the following amino acids: tryptophan; taurine; glutamic acid; proline; ornithine; alanine; and methionine.
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    This study shows that amino acids can influence inflammation and may play a role in the development of celiac disease.
    Source:
    PLoS One. 2018; 13(3): e0193764. doi: & 10.1371/journal.pone.0193764

    Jefferson Adams
    Celiac.com 04/18/2018 - To the relief of many bewildered passengers and crew, no more comfort turkeys, geese, possums or other questionable pets will be flying on Delta or United without meeting the airlines' strict new requirements for service animals.
    If you’ve flown anywhere lately, you may have seen them. People flying with their designated “emotional support” animals. We’re not talking genuine service animals, like seeing eye dogs, or hearing ear dogs, or even the Belgian Malinois that alerts its owner when there is gluten in food that may trigger her celiac disease.
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    Fresh from an unsavory incident with an “emotional support” peacock incident, United Airlines has followed Delta’s lead and set stricter rules for emotional support animals. United’s rules also took effect March 1, 2018.
    So, to the relief of many bewildered passengers and crew, no more comfort turkeys, geese, possums or other questionable pets will be flying on Delta or United without meeting the airlines' strict new requirements for service and emotional support animals.
    Source:
    cnbc.com