Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Charcot-Marie-Tooth disease type 1A ?
    ### Response:
    Charcot-Marie-Tooth disease type 1A (CMT1A) is a type of inherited neurological disorder that affects the peripheral nerves. Affected individuals experience weakness and wasting (atrophy) of the muscles of the lower legs beginning in adolescence; later they experience hand weakness and sensory loss.
    