Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) lactate dehydrogenase deficiency ?
    ### Response:
    Lactate dehydrogenase deficiency is a condition that affects how the body breaks down sugar to use as energy in cells, primarily muscle cells.  There are two types of this condition: lactate dehydrogenase-A deficiency (sometimes called glycogen storage disease XI) and lactate dehydrogenase-B deficiency.
    