Hyperthyroidism (Overactive Thyroid): Causes
Pathogenesis (development of disease) The cause of hyperthyroidism is mostly Graves’ disease. As a result, too much T3 and T4 and too little TSH is found in the blood due to the formation of TSH receptor autoantibodies. In addition to Graves’ disease, thyroid autonomy (independent thyroid hormone production) due to iodine deficiency can also lead … Hyperthyroidism (Overactive Thyroid): Causes