Goiter: Understanding Thyroid Enlargement and the Role of Iodine Supplementation
Goiter is a thyroid enlargement often caused by iodine deficiency, especially outside iodized salt regions. In the U.S., autoimmune disorders are the main cause. Iodine supplementation can shrink goiters by 30-40% in months, but only if deficiency is the root cause. Other types require medication or surgery.