Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) juvenile polyposis syndrome ?
    ### Response:
    Juvenile polyposis syndrome is a disorder characterized by multiple noncancerous (benign) growths called juvenile polyps. People with juvenile polyposis syndrome typically develop polyps before age 20; however, in the name of this condition "juvenile" refers to the characteristics of the tissues that make up the polyp, not the age of the affected individual.
    