Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Crigler Najjar syndrome, type 1 ?
    ### Response:
    Crigler Najjar syndrome, type 1 is an inherited disorder in which bilirubin, a substance made by the liver, cannot be broken down. This condition occurs when the enzyme that normally converts bilirubin into a form that can easily be removed from the body does not work correctly.
    