Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) familial lipoprotein lipase deficiency ?
    ### Response:
    Familial lipoprotein lipase deficiency is an inherited condition that disrupts the normal breakdown of fats in the body, resulting in an increase of certain kinds of fats.  People with familial lipoprotein lipase deficiency typically develop signs and symptoms before age 10, with one-quarter showing symptoms by age 1.
    