| Cancer | Biliary Pathway Neoplasm |
| | Colorectal Neoplasm |
| | Colorectal Neoplasm (Family) |
| | Colorectal Neoplasm (Meat Consumption) |
| | Gallbladder Neoplasm |
| | Gastrointestinal Carcinoid Tumor |
| | Gastrointestinal Stromal Tumor |
| | Hereditary Tyrosinemia Type 1 |
| | Liver Neoplasm |
| | Lynch Syndrome |
| | Neoplasms (General Risk) |
| | Oral Cavity and Laryngeal Neoplasm |
| | Pancreas Neoplasm |
| | Stomach Neoplasm |
| | |
| Cardiovascular | Arginine-succinic aciduria |
| | |
| Digestive system | ABCB1 Gene Polymorphisms (MDR1) |
| | Alagille Syndrome (Arteriohepatic Dysplasia) |
| | Amyloidosis |
| | Bowel polyps |
| | Canker sores |
| | Chronic Hepatitis (B) |
| | Chronic gastritis |
| | Clostridium Difficile Infection (Patients with Ulcerative Colitis) |
| | Congenital Lactase Deficiency |
| | Congenital diarrhea |
| | Constipation |
| | Cystic fibrosis |
| | Dubin-Johnson Syndrome |
| | Eosinophilic Esophagitis |
| | Gallstones (Vesicle) |
| | Gastroesophageal Reflux Disease |
| | Gastroesophageal Reflux Disease |
| | Gilbert’s Syndrome |
| | Hepatic Fibrosis |
| | Hirschsprung’s Disease (HD) |
| | Increased Susceptibility to H. pylori Infection |
| | Irritable Bowel Syndrome |
| | Juvenile Polyposis Syndrome |
| | Non-Alcoholic Liver Steatosis |
| | Pancreatitis |
| | Permeable Intestine Syndrome |
| | Peroxisomal Enzyme Deficiency |
| | Primary Biliary Cirrhosis (CBP) |
| | Trichohepatoenteric Syndrome (THE) |
| | Type 1 Progressive Intrahepatic Cholestasis |
| | Type 2 Progressive Intrahepatic Cholestasis |
| | Type 3 Progressive Intrahepatic Cholestasis |
| | Type 4 Progressive Intrahepatic Cholestasis |
| | Ulcer |
| | Ulcerative Colitis |
| | |
| Drug Reactions | Hepatitis caused by anti-tuberculosis drugs |
| | |
| General | ALT / AST Index |
| | Hepatocellular Carcinoma (HCC) |
| | Protein Digestive Capacity |
| | |
| Genetic diseases | Alpha-1 Antitrypsin Deficiency |
| | Hereditary angioedema |
| | Mucolipidosis Type 4 (Gangliosidosis) |
| | Peutz-Jeghers syndrome |
| | Primary Hyperoxaluria |
| | Wilson’s Disease |
| | Zellweger Syndrome |
| | |
| Hematologic system | Albumin |
| | Aspartate Aminotransferase (AST) |
| | Haptoglobin |
| | Hemochromatosis |
| | High Ferritin |
| | Hyperbilirubinemia |
| | Low Ferritin in Men |
| | Low Ferritin in Women |
| | Transferrin |
| | |
| Immune system | Crohn’s disease |
| | HLA-DQ2.2 |
| | HLA-DQ2.5 |
| | HLA-DQ4 |
| | HLA-DQ7 |
| | HLA-DQ8 |
| | Primary Sclerosing Cholangitis |
| | |
| Inflammations | Inflammatory Bowel Disease (IBD) |
| | Sarcoidosis |
| | Yao’s Syndrome |
| | |
| Metabolic | Celiac disease |
| | Ceruloplasmin |
| | Gluten Intolerance |
| | Lactose intolerance |
| | Lipid Metabolism |
| | Sensitivity to Caffeine |
| | |
| Metabolic disorders | Glycogen Storage Disease |
| | Hyperferritinemia |
| | Low Ferritin |
| | Methylmalonic Acidemia |
| | Niacin’s Benefit in Reducing Liver Fat |
| | Niemann-Pick Disease |
| | |
| Need for Nutrients | Molybdenum |
| | |
| Reactions to Treatments | Benefit of Aspirin on colorectal cancer risk |
| | Glucocorticoid Resistance |
| | Glucocorticoid Therapy |
| | |
| Urinary system | Focal Segmental Glomerulosclerosis |
| | Risk of formation of Gallstones |
| | |
| Vitamins | Vitamin B12 (Levels) |
| | |
| Weight | Binge Eating Disorder |
| | Reduction of body fat with intervention of polyphenols |