The document discusses biliary dyskinesia, a disorder where the gallbladder does not contract and empty properly, causing digestive issues. It describes the anatomy and role of the biliary system, signs and symptoms of biliary dyskinesia including abdominal pain and nausea, potential causes, diagnostic tests and treatments including diet changes and medication. Nutritional guidelines recommend a low-fat diet, fiber, staying hydrated, supplements, weight management and probiotics to support gallbladder function and digestion.