Goiter is an abnormal enlargement of the thyroid gland, the butterfly-shaped gland at the base of the neck. While iodine deficiency is a major global cause, both too little and too much iodine can ...
If you've ever noticed a lump at the base of your neck, it could be a sign of goiter, an abnormal enlargement of the thyroid gland. The condition is more common after age 40, and affects more women ...