Most common causes of hyperthyroidism by age<unk>  occurs in about 0.5% of people.<unk>  data has shown that the lifetime risk for women is around 3% and 0.5% for men. It occurs about 7.5 times more often in women than in men and often starts between the ages of 40 and 60. It is the most common cause of hyperthyroidism in the United States (about 50 to 80% of cases).
Graves' disease
Hashimoto's thyroiditis
Autoimmune thyroiditis
Riedel's thyroiditis
Ord's thyroiditis
Cushing's disease
Radiation-induced thyroiditis
Behr syndrome