Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) type 1 diabetes ?
    ### Response:
    Type 1 diabetes is a disorder characterized by abnormally high blood sugar levels. In this form of diabetes, specialized cells in the pancreas called beta cells stop producing insulin. Insulin controls how much glucose (a type of sugar) is passed from the blood into cells for conversion to energy.
    