Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Von Willebrand disease ?
    ### Response:
    Von Willebrand disease is a bleeding disorder that slows the blood clotting process. People with this disease often experience bruising, nosebleeds, and prolonged bleeding or oozing following an injury, surgery, or having a tooth pulled. In severe cases, heavy bleeding occurs after minor injury or even in the absence of injury.
    