Below is an instruction from Human. Write a response.
    ### Instruction:
    What causes High Blood Cholesterol ?
    ### Response:
    Many things can affect the level of cholesterol in your blood. You can control some of these things but not others. What You Can Control You can control - what you eat  - your weight  - your activity level. what you eat your weight your activity level. Your Diet Certain foods have several types of fat that raise your cholesterol level.
    