Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Whipple's Disease ?
    ### Response:
    Whipple's disease is a multi-system infectious bacterial disease that interferes with the body's ability to metabolize fats. Caused by the bacterium Tropheryma whipplei, the disorder can affect any system in the body, including the brain, eyes, heart, joints, and lungs, but usually occurs in the gastrointestinal system.
    