Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Diabetic Foot ?
    ### Response:
    If you have diabetes, your blood glucose, or blood sugar, levels are too high. Over time, this can damage your nerves or blood vessels. Nerve damage from diabetes can cause you to lose feeling in your feet. You may not feel a cut, a blister or a sore. Foot injuries such as these can cause ulcers and infections.
    