Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) congenital adrenal hyperplasia due to 11-beta-hydroxylase deficiency ?
    ### Response:
    Congenital adrenal hyperplasia (CAH) due to 11-beta-hydroxylase deficiency is one of a group of disorders (collectively called congenital adrenal hyperplasia) that affect the adrenal glands. The adrenal glands are located on top of the kidneys and produce a variety of hormones that regulate many essential functions in the body.
    