I have every symptom of Graves, I had a TPO test. My result was 2, the reference range was <9IU/mL. I called the place where my blood was drawn, she told me it was low and to see a doctor. I didn't have one, so she sent me to a naturalist, if that's what you call it. I feel I am hypo. I was reading about infections that could cause it. I'm 28, but in high school I had mono, or EBV. Does this mean I do have a low thyroid and need to seek a real doctor?