Fiber-enriched diet helps to control symptoms and improves esophageal motility in patients with non-erosive gastroesophageal reflux disease Abstract AIM to investigate the effect of dietary fiber on symptoms and esophageal function testing parameters in nonerosive gastroesophageal reflux disease (GERD) (NERD) patients. METHODS Thirty-six NERD patients with low (< 20 g/d) dietary fiber intake were enrolled...