Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Precocious puberty ?
    ### Response:
    Precocious puberty is when a person's sexual and physical traits develop and mature earlier than normal. Normal puberty typically begins between ages 10 and 14 for girls, and ages 12 and 16 for boys. The start of puberty depends on various factors such as family history, nutrition and gender.
    