Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Tourette Syndrome ?
    ### Response:
    If you have Tourette syndrome, you make unusual movements or sounds, called tics. You have little or no control over them. Common tics are throat-clearing and blinking. You may repeat words, spin, or, rarely, blurt out swear words.     Tourette syndrome is a disorder of the nervous system.
    