Evolving Concepts in the Pathophysiology of Functional Gastrointestinal Disorder
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Functional gastrointestinal disorder (FGID) is common and may affect any part of the digestive tract from the esophagus to the rectum. Functional dyspepsia and the irritable bowel syndrome (IBS) are the most commonly recognized and until recently were considered distinct entities. In recent years, however, new observations and studies of the afferent nervous system have extended our concepts of both IBS and dyspepsia and suggest that these conditions may have common triggers and expression from similar pathophysiological processes.
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