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    Dr. Ron Hoggan, Ed.D.

    Ron Hoggan's Response to "Dieters Warned on Going Gluten-free" Article

    Dr. Ron Hoggan, Ed.D.
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    Reviewed and edited by a celiac disease expert.

    Recently I have noticed a trend in articles that demonize the gluten-free diet, and imply that there is something unhealthy or even dangerous about it. Here is an example of one that I forwarded to Dr. Ron Hoggan:
    http://www.post-gazette.com/pg/11017/1118230-114.stm
    and below is his response to its author:

    Dear China Millman,
    Thank you for your interesting article on gluten-free dieting.  I was very pleased to read that you include patients with non-celiac gluten sensitivity among those who should follow a gluten free diet.  I assume that you have arrived at your estimate of 20 million who are afflicted with wheat allergy, non-celiac and celiac gluten sensitivity using Dr. Fasano’s  estimate that 6 to 7 percent of Americans have what you refer to as this “milder form of gluten intolerance”.  There are other estimates. For instance, Dr. Kenneth Fine did random blood draws at a shopping center in Dallas, Texas and found an 11% rate of gluten sensitivity. Congruently, Dr. Marios Hadjivassiliou has reported rates as high as 12% in the United Kingdom and Dr. Rodney Ford reports a prevalence estimate of 10% in New Zealand.  Each investigator used different methods to arrive at their estimate, and each method is likely to underestimate the true prevalence of non-celiac gluten sensitivity. For instance, they all rely on a single class of antibody reaction against a single sub-group of proteins found in gluten grains. Thus, Dr. Fasano’s estimate may be unduly conservative as it is substantially lower than others have found in similar populations and the testing used to arrive at Dr. Fasano's estimate also carries all of the other limitations mentioned above.



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    As for the notion that non-celiac gluten sensitivity is milder than celiac disease, Anderson et al, in their study titled “Malignancy and mortality in a population-based cohort of patients with coeliac disease or ‘gluten sensitivity’ World J Gastroenterol 2007 January 7; 13(1): 146-151, report a higher rate of malignancy and early mortality among those with non-celiac gluten sensitivity than among those with celiac disease.  This finding may be the result of the common recommendation that patients ignore test results that show non-celiac gluten sensitivity, as many physicians believe that such results are “non-specific” and do not warrant a gluten free diet. However, it may also reflect that non-celiac gluten sensitivity is a more serious illness than celiac disease. It may also reflect something entirely different than these two interpretations, but it does make a very good case for the need for more research in this very neglected area.

    As for the comments by Heather Mangieri and the American Dietetics Association, they might benefit from reading studies such as the one by Dr. Cheng et al titled “Body Mass Index in Celiac Disease Beneficial Effect of a Gluten-free Diet” in the 2009 Journal of Clinical Gastroenterology. They found that, after diagnosis with celiac disease, about half of the overweight and obese patients lost weight. Given the conservative data you report, suggesting that at least 90% of American cases of celiac disease go undiagnosed, there can be little doubt that a large portion of those with undiagnosed celiac disease who are overweight or obese would be likely to lose weight. The number who would lose weight should be greater among those who chose to follow a gluten free diet to lose weight, as some of those who are diagnosed with celiac disease do not comply with the diet.  If one accepts the proposition that those with non-celiac gluten sensitivity, IBS, and IBD often have similarly problematic reactions to gluten, the number of Americans who could lose weight and live healthier, and therefore happier, lives (eating a gluten free diet) rises exponentially.

    On a personal level, my mother lost 66 pounds during her first years on a gluten free diet. Now, some 15 years later, she has lost almost 100 pounds. I doubt that she would still be alive had she not undertaken the gluten free diet purely on the basis of test results suggestive of non-celiac gluten sensitivity.  

    In the current context of excessive under-diagnosis of celiac disease and limited understandings of the dynamics by which a gluten free diet causes weight loss among celiac patients, and an enormously greater number of Americans who have non-celiac gluten sensitivity, it is difficult to understand why anyone would be cautioned against following a gluten free diet with weight loss as their objective.  Whether these individuals are undiagnosed celiac patients, have undiagnosed non-celiac gluten sensitivity, or they find that a gluten free diet is helping them to achieve their body mass objectives, there is little legitimate cause to "warn" people away from a gluten free diet. Overall, your article does raise awareness of gluten as a potential health threat, so its overall impact is positive despite the misinformation that a gluten free diet does not help with weight loss.

    Sincerely,
    Ron Hoggan, Ed. D.
    Royal Roads University, Continuing Studies

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  • About Me

    As co-author of "Dangerous Grains" and "Cereal Killers", the study of the impact of gluten continues to be a driving passion in my life. I am fascinated by the way that gluten induces illness and impedes learning while it alters mood, behavior, and a host of other facets of our existence. Sure, the impact of gluten on health is an important issue, but that is only the most obvious area of impact. Mood disturbances, learning disabilities, and the loss of quality of life due to psychiatric and neurological illness are even more tragic than the plethora of physical ailments that are caused or worsened by gluten. The further I go down this rabbit hole, the more I realize that grains are a good food for ruminants - not people. I am a retired school teacher. Over the last decade, I have done some college and university level teaching, but the bulk of my teaching career was spent working with high school students. My Web page is: www.DangerousGrains.com


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