Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Diabetes, Heart Disease, and Stroke ?
    ### Response:
    Prediabetes is a condition in which blood glucose levels are higher than normal but not high enough for a diagnosis of diabetes. Prediabetes is also called impaired fasting glucose or impaired glucose tolerance. Many people with prediabetes develop type 2 diabetes within 10 years.
    