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BackgroundChronic abdominal pain, bloating, constipation, diarrhea, and stool irregularity are common symptoms in primary care and gastroenterology. A routine diagnostic evaluation fails to reveal any underlying somatic condition in about h…

BackgroundIrritable bowel syndrome is characterized by chronic abdominal symptoms and irregular bowel movements without any cause than can be revealed by routine diagnostic assessment. In recent years, its pathophysiology has come to be muc…