is hashimoto's thyroiditis hereditary
Causes Of Hypothyroidism Can Be Genetic/Hereditary Although iodine deficiency is the most common cause of hypothyroidism worldwide, getting enough iodine is not usually a problem in the United States. Here hypothyroidism is usually caused by hereditary diseases, such as Hashimoto's thyroiditis and thyroid cancer. Hashimoto's thyroiditis affects up to 10 million people in the United States, including an estimated 10% of women over 30.