Fact Sheets

Diabetes: Symptoms, Causes, and Treatments
Diabetes is a condition in which the body either does not produce insulin or does not use it properly. Learn about symptoms and treatment.
Type 2 Diabetes: Symptoms and Treatments
Type 2 diabetes is a chronic disease in which the body is unable to properly make use of insulin, leading to high blood glucose levels.
Endocrine Cancer
Endocrine tumors form when abnormal cells in an endocrine gland or organ grow and multiply in an uncontrolled manner.
Hyperglycemia: Symptoms, Causes, and Treatments
Hyperglycemia (also known as high blood sugar) is a condition in which a person's blood glucose level is higher than normal.
Type 1 Diabetes: Symptoms, Causes, and Treatments
Type 1 diabetes is a chronic disease in which the body makes little to no insulin, resulting in high blood glucose levels.
Pituitary Tumors
Pituitary tumors are abnormal growths of tissue in the pituitary gland. Learn about symptoms and treatment.
Hyperparathyroidism
A condition in which the parathyroid gland produces too much parathryoid hormone and can cause problems with the bones and other organs.
Polycystic Ovary Syndrome (PCOS)
Polycystic Ovary Syndrome (PCOS) is a hormone disorder that can cause infertility, ovarian cysts, and other health problems. Learn about symptoms and treatment.
Hemoglobin A1C Test
A hemoglobin A1C test is a blood test that measures a person's average blood glucose level over the previous three months.
Aldosteronoma (Aldosterone-producing Adenoma)
A noncancerous tumor in the adrenal gland that secretes too much of the hormone aldosterone.