Lactose Intolerance, also known as lactose malabsorption, is related to lactose intolerance, adult type and lactase deficiency, congenital, and has symptoms including abdominal pain, constipation and diarrhea. An important gene associated with Lactose Intolerance is LCT (Lactase), and among its related pathways/superpathways are Digestion and absorption and Diseases of carbohydrate metabolism. The drugs Caseins and Sorbitol have been mentioned in the context of this disorder. Affiliated tissues include small intestine and breast, and related phenotypes are Reduced mammosphere formation and endocrine/exocrine gland