Research interests: Fermentable oligosaccharides, disaccharides, monosaccharides, polyols, Helicobacter pylori infection, psychosomatic medicine, functional gastrointestinal disorders, functional constipation, irritable bowel syndrome Research areas: Life sciences/internal medicine—general /irritable bowel syndrome, constipation, psychosomatic medicine, gastroenterology, general medicine, medical education Education: Apr 1979–Mar,1982: Gifu Prefectural Kano High School Apr 1982–Mar 1988: School of Medicine, Aichi Medical University (M.D.) Mar 2001: Doctor of Philosophy (Ph.D.)