Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Simpson-Golabi-Behmel syndrome ?
    ### Response:
    Simpson-Golabi-Behmel syndrome is a condition that affects many parts of the body and occurs primarily in males. This condition is classified as an overgrowth syndrome, which means that affected infants are considerably larger than normal at birth (macrosomia) and continue to grow and gain weight at an unusual rate.
    