Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Leprechaunism ?
    ### Response:
    Leprechaunism is a congenital (present from birth) condition characterized by extreme insulin resistance, pre- and postnatal growth delays, characteristic facial features, skin abnormalities, muscular hypotrophy (reduced muscle mass) and enlarged external genitalia in both males and females.
    