The thyroid is a small, butterfly-shaped gland located at the base of the neck, just below the Adam's apple. The thyroid gland makes two main hormones: thyroxine (T-4) and triiodothyronine (T-3).
The thyroid is a gland in the neck. The thyroid gland creates hormones that affect metabolism. Learn about thyroid diseases, such as hypothyroidism.
There are a variety of thyroid disorders. Learn the most common types of thyroid problems, as well as their causes, symptoms, diagnosis, treatment, and complications.
Learn how TSH levels indicate thyroid health. High TSH suggests an underactive thyroid; low levels point to overactivity.