The thyroid, located in the front of the neck, is a gland that makes hormones important to proper organ function. The Hormone Health Network explains thyroid hormones affect how fast or slow the brain, heart, muscles, liver, and other parts of the body work.
When the thyroid gland fails to make enough thyroid hormone, the body suffers from hypothyroidism, says the American Thyroid Association. Common causes of hypothyroidism are autoimmune disease and radiation treatment. The thyroid may also be inflamed due to a viral infection or deficient in iodine. The body does not make iodine, which is why it is important to eat foods rich in iodine. These include, according to the Global Healing Center, cranberries, strawberries, yogurt, navy beans, and potatoes.