Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Huntington's Disease ?
    ### Response:
    Huntington's disease (HD) is an inherited disorder that causes degeneration of brain cells, called neurons, in motor control regions of the brain, as well as other areas. Symptoms of the disease, which gets progressively worse, include uncontrolled movements (called chorea), abnormal body postures, and changes in behavior, emotion, judgment, and cognition.
    