High Quality Content by WIKIPEDIA articles! The National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), of the U.S. National Institutes of Health, conducts and supports research on many of the most serious diseases affecting public health. The Institute supports much of the clinical research on the diseases of internal medicine and related subspecialty fields as well as many basic science disciplines. The Institute's Division of Intramural Research encompasses the broad spectrum of metabolic diseases including diabetes, obesity, inborn errors of metabolism, endocrine disorders, disorders of mineral metabolism as well as digestive and liver diseases, nutrition, urology and renal disease, and hematology. Basic research studies include biochemistry, biophysics, nutrition, pathology, histochemistry, bioorganic chemistry, physical chemistry, chemical and molecular biology, and pharmacology.