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 is a chronic disease in which the body makes little to no insulin, resulting in high blood glucose levels.
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.
Diabetes is a condition in which the body either does not produce insulin or does not use it properly. Learn about symptoms and treatment.
Hyperprolactinemia is a condition marked by higher-than-normal levels of the hormone prolactin in the blood. Learn about symptoms and treatment.
The thyroid gland plays a key role in the body’s endocrine system, which regulates metabolism, growth and development, reproduction, sleep and mood.
A condition in which the parathyroid gland produces too much parathryoid hormone and can cause problems with the bones and other organs.
A hemoglobin A1C test is a blood test that measures a person's average blood glucose level over the previous three months.
A noncancerous tumor in the adrenal gland that secretes too much of the hormone aldosterone.
Pituitary tumors are abnormal growths of tissue in the pituitary gland. Learn about symptoms and treatment.