"1.hypertension, diabetes mellitus, thyroid disorders and hypercholesterolaemia. 2.upper gastrointestinal diseases(gastro-oesophageal reflux disease, gastric and duodenal ulcers) 3.acute and chronic pancreatic diseases. 4.malabsorption and maldigestion. 5.acute and chronic liver diseases including fatty liver, acute, chronic viral hepatitis and autoimmune liver diseases. 5.small bowel diseases including acute, chronic bleeding and crohn's disease. 7.colon diseases (irritable bowel syndrome,colon polyps, diarrhea, ulcerative colitis and crohn's disease) 8.gastic balloon for weight loss. 9.endoscopic treatment of gastrointestinal tract acute and chronic bleeding. 10. Screening for colon cancer. 11. Endoscopic treatment of gastro-oesophageal reflux disease (GERDX). ."