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Archive for October, 2010

Why Are Food Allergies/Food Intolerances So Hard to Diagnosis?

Sunday, October 31st, 2010

The other day I bumped in to a friend at the market.   She told me that she just completed an allergy test for gluten intolerance .  The doctor told her to eat gluten products for four days and then take the blood test.  She was given the Rast test.   Her number in this test was 4.  Her physician told her she did not have a gluten problem with that score.  A score of 4 equals an IgE level of 17.50-49.99 or very high level of allergen specific IgE.  What did this doctor think was high?  The friend still went off wheat products since she felt so lousy on wheat.

Why are doctors missing food allergy/food intolerance diagnosis?  The latest research notes that the diagnosis of food allergies/food intolerance’s are a problem.  The study showed that while there was a plethora of literature, the amount of actual studies were few.  There is no uniformity in the criteria.  Nor are there good guidelines for evidence-based information.  The worst problem is : there is no agreed on definition of an allergy.  Supposedly an allergy is an immediate response, while an intolerance is a latent (up to 72 hours) response.  Yet physicians use the Rast test exclusively for both.  This explains the lack of good diagnosis for food intolerances such as Celiac.  The physicians are using an immediate response test for a latent response allergen.

The Specific Carbohydrate Diet Part 3 (Who should try this diet)

Sunday, October 17th, 2010

This diet, though difficult, will help many individuals. It may help constant diarrhea, irritable bowel syndrome, Crohn’s disease, ulcerative colitis, Celiac disease, and possibly children with developmental disorders. Different studies by A.J. Wakefield; Sabra S. and Bellanti J.A.; and Kent Williams et all; suggest that gastrointestinal upsets and acute diarrhea are linked to a broader spectrum of childhood development disorders. This gut-brain interaction is central to abnormal neural development. These studies also noted that untreated Celiac disease has been associated autistic and psychotic behaviors and other developmental complications such as ADHD. Further is was noted that symptomatic improvement was evident after the elimination of certain proteins (casien and gluten) from the diet.

1. Wakefield, Andrew J.; ” The Gut-Brain Axis in Childhood Development”, Journal of Pediatric Gstroenterology and Nutrition.
2. Sabra S., Bellanti J.A., “Colon AC, Ileal Lymphoid modular hyperplia, non-specific colitis, and pervasive developmental disorder in childhood.” Lancet.
3. Kent Williams, et all: GI Symptoms in Autism Spectrum Disorders (ASD): An Autism Treatment Network Study.