s (When your immune system does not recognize your thyroid, it attacks it and renders it unproductive, or over time destroying it) placing you in an Underactive Thyroid state, I do not know if Graves is an immune condition, I just thought it was an extreme level of Overactive Thyroid, meaning your thyroid would be secreting to much
hormone into your system, If any one out there with Graves would like to add, feel free, I know thyroid is hereditary also, if your md hesitated and sounded so unsure