The most common cause of hypothyroidism is iodine deficiency. In the United States, Hashimoto's disease is responsible for 90% of the cases of hypothyroidism. Hashimoto's disease is an autoimmune condition that is characterized by the destruction of the thyroid gland from antibody mediated immune complexes. What that means is there's a triggering event which causes your body to produce antibodies against itself and attack the thyroid, causing the thyroid cells to be destroyed and stored hormones are then released causing toxic levels of thyroid hormone. Patients with Hashimoto's disease can experience both hypothyroid and hyperthyroid symptoms. Eventually the thyroid hormones are depleted causing hypothyroidism. Hypothyroidism can cause … [Read more...] about Hashimoto’s Thyroid Disease Triggers You Need to Know About