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The Role of Food in the Functional Gastrointestinal Disorders: Introduction to a Manuscript Series

Chey, William D MD, AGAF, FACG, FACP1

American Journal of Gastroenterology: May 2013 - Volume 108 - Issue 5 - p 694–697
doi: 10.1038/ajg.2013.62
Rome Foundation Working Group

Functional gastrointestinal disorders (FGIDs) are characterized by the presence of chronic or recurrent symptoms that are felt to originate from the gastrointestinal (GI) tract, which cannot be attributed to an identifiable structural or biochemical cause. Food is associated with symptom onset or exacerbation in a significant proportion of FGID patients. Despite this, the role of food in the pathogenesis of the FGIDs has remained poorly understood. For this reason, diet has largely played an adjunctive rather than a primary role in the management of FGID patients. In recent years, there has been a rapid expansion in our understanding of the role of food in GI function and sensation and how food relates to GI symptoms in FGID patients. In a series of evidence-based manuscripts produced by the Rome Foundation Working Group on the role of food in FGIDs, comprehensive reviews of the physiological changes associated with nutrient intake, and the respective roles of carbohydrates, fiber, protein, and fats are provided. The series concludes with a manuscript that provides guidance on proper clinical trial design when considering the role of food in FGIDs.

1 Division of Gastroenterology, University of Michigan Health System, Ann Arbor, Michigan, USA

Correspondence: William D Chey, MD, AGAF, FACG, FACP, Division of Gastroenterology, University of Michigan Health System, 3912 Taubman Center, SPC 5362, Ann Arbor, Michigan 48109, USA. E-mail:

Received 17 December 2012; accepted 11 February 2013

published online 2 April 2013

© The American College of Gastroenterology 2013. All Rights Reserved.
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