What is Graves' disease?
Graves' disease is an autoimmune disorder that causes the thyroid gland to become overactive. This is one kind of hyperthyroidism.
An autoimmune disorder causes the body’s immune system to mistakenly attack the body’s own cells instead of protecting them from outside invaders.
In Graves’ disease, the body’s immune system secretes immunoglobulins (autoantibodies) against the thyroid gland. These immunoglobulins irritate the thyroid gland and make it produce more thyroid…