TYPE I DIABETES. About Your Diagnosis. Type I diabetes is a disease of the insulin-producing cells of the pancreas that results in the inability of the body to metabolize nutrients normally. TYPE I DIABETES. About Your Diagnosis. Type I diabetes is a disease of the insulin-producing cells of the pancreas that results in the inability of the body to metabolize nutrients normally. Find the latest news stories, overviews, research and more on Juvenile Diabetes from MedlinePlus, the National Library of Medicine's consumer health site. Juvenile Diabetes, Insulin-Dependent Diabetes Mellitus, Type I Diabetes, Diabetes Type I, Diabetes Mellitus, Type I Type-I Diabetes: Prevention of the Disease And Its Complications. Kathleen A. Head, N.D. Abstract. Type-I diabetes mellitus (IDDM) is a chronic degenerative disease with complications which can be devastating. type 1 diabetes: conditions, treatment, resources Type 1 Diabetes. Type 1 diabetes is usually diagnosed in children and young adults, and was previously known as juvenile diabetes. In type 1 diabetes, the body does Type-I Diabetes: Prevention of the Disease And Its Complications. Kathleen A. Head, N.D. Abstract. Type-I diabetes mellitus (IDDM) is a chronic degenerative disease with complications which can be devastating.