what is inactive thyroid
Underactive thyroid, also called. hypothyroidism, occurs when the thyroid gland. does not produce enough thyroid hormone to. meet the bodyâs needs. The thyroid gland is a. 2-inch-long, butterfly-shaped gland in the front. of your neck. Thyroid hormones regulate the. way the body uses energy, so they affect nearly. every organ in your body, even the way your.