Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) aceruloplasminemia ?
    ### Response:
    Aceruloplasminemia is a disorder in which iron gradually accumulates in the brain and other organs. Iron accumulation in the brain results in neurological problems that generally appear in adulthood and worsen over time.  People with aceruloplasminemia develop a variety of movement problems.
    