Risk factors for hyperthyroidism?

* female, aged over 60 *Have been pregnant or had a baby within the past 6 months *Hx of thyroid surgery or goitre *Have a family history of thyroid disease *Have another autoimmune disease such as type 1 diabetes or primary adrenal insufficiency. *Increased iodine ie ingesting to much iodine from food or using iodine-containing medicines or supplements