Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) abetalipoproteinemia ?
    ### Response:
    Abetalipoproteinemia is an inherited disorder that affects the absorption of dietary fats, cholesterol, and fat-soluble vitamins. People affected by this disorder are not able to make certain lipoproteins, which are particles that carry fats and fat-like substances (such as cholesterol) in the blood.
    