title: The role of fiber in the diet.
mesh_terms: D000368:Aged; D001647:Bile Acids and Salts / Q000502:physiology; D002277:Carcinoma / Q000453:epidemiology; D002769:Cholelithiasis / Q000209:etiology; D003110:Colonic Neoplasms / Q000453:epidemiology; D003248:Constipation / Q000209:etiology; D004032:Diet; D004040:Dietary Carbohydrates; D004238:Diverticulitis / Q000453:epidemiology; D004240:Diverticulum / Q000453:epidemiology; D005243:Feces; D005767:Gastrointestinal Diseases / Q000209:etiology / Q000628:therapy; D005769:Gastrointestinal Motility / Q000187:drug effects; D006801:Humans; D008747:Methylcellulose / Q000494:pharmacology; D008875:Middle Aged; D011134:Polysaccharides / Q000627:therapeutic use
chemical_list: D001647:Bile Acids and Salts; D004040:Dietary Carbohydrates; D011134:Polysaccharides; D008747:Methylcellulose