Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Melkersson-Rosenthal Syndrome ?
    ### Response:
    Melkersson-Rosenthal syndrome is a rare neurological disorder characterized by recurring facial paralysis, swelling of the face and lips (usually the upper lip), and the development of folds and furrows in the tongue. Onset is in childhood or early adolescence.
    