Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) hereditary myopathy with early respiratory failure ?
    ### Response:
    Hereditary myopathy with early respiratory failure (HMERF) is an inherited muscle disease that predominantly affects muscles close to the center of the body (proximal muscles) and muscles that are needed for breathing.  The major signs and symptoms of HMERF usually appear in adulthood, on average around age 35.
    