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Gluten Sensitivity And Study Replication - Business Insider
Always thought the gluten thing was a sham.
In one of the best examples of science working, a researcher who provided key evidence of (non-celiac disease) gluten sensitivity recently published follow-up papers that show the opposite.
The first follow-up paper came out last year in the journal Gastroenterology. Here's the backstory that makes us cheer:
The study was a follow up on a 2011 experiment in the lab of Peter Gibson at Monash University. The scientifically sound — but small — study found that gluten-containing diets can cause gastrointestinal distress in people without celiac disease, a well-known autoimmune disorder triggered by gluten.
They called this non-celiac gluten sensitivity.
Gluten is a protein composite found in wheat, barley, and other grains. It gives bread its chewiness and is often used as a meat substitute. If you've ever had "wheat meat," seitan, or mock duck at a Thai restaurant, that's gluten.
Gluten is a big industry: 30% of people want to eat less gluten. Sales of gluten-free products are estimated to hit $15 billion by 2016.
Although experts estimate that only 1% of Americans — about 3 million people — suffer from celiac disease, 18% of adults now buy gluten-free foods.
Since gluten is a protein found in any normal diet, Gibson was unsatisfied with his finding. He wanted to find out why the gluten seemed to be causing this reaction and if there could be something else going on. He therefore went to a scientifically rigorous extreme for his next experiment, a level not usually expected in nutrition studies.
Always thought the gluten thing was a sham.