Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Hyperglycemia ?
    ### Response:
    Hyperglycemia means high blood sugar or glucose. Glucose comes from the foods you eat. Insulin is a hormone that moves glucose into your cells to give them energy. Hyperglycemia happens when your body doesn't make enough insulin or can't use it the right way.
    