
Hyperthyroidism vs. Hypothyroidism – Symptoms and Causes
The thyroid is one of the most important glands in the body. It is shaped like a butterfly and is located in the front of the neck, just below the thyroid gland, around the windpipe. The isthmus—a bridge of tissues—joins the two thyroid lobes on each side. The thyroid gland helps regulate several metabolic processes throughout the body.