Below is an instruction from Human. Write a response.
    ### Instruction:
    What to do for Graves' Disease ?
    ### Response:
    - Graves disease is the most common cause of hyperthyroidism in the United States.  - In Graves disease, the immune system stimulates the thyroid gland to make too much thyroid hormone.  - Common symptoms of hyperthyroidism include nervousness or irritability, fatigue or muscle weakness, heat intolerance, trouble sleeping, hand tremors, rapid and irregular heartbeat, frequent bowel movements or diarrhea, weight loss, and goiter.
    