Thyroid health information for persons interested in thyroid disease, thyroid cancer, or surgery.
Your thyroid is an important endocrine gland that makes and releases hormones. Your thyroid's main job is to control your metabolism — how your body uses energy.
Understand what thyroid disease is, how your thyroid works, and how hormone imbalances like hypothyroidism and hyperthyroidism affect your body.
Problems with the thyroid include a variety of disorders that can result in the gland producing too little thyroid hormone (hypothyroidism) or too much (hyperthyroidism). Thyroid disorders can affect heart rate, mood, energy level, metabolism, bone health, pregnancy and many other functions.
The thyroid sometimes makes too little or much hormone, resulting in thyroid disease. Find out the types, symptoms and treatment options.
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.
Because the thyroid gland takes up radioactive iodine depending on how well it is working, a thyroid scan can also help determine whether the functioning of a specific area of the thyroid is normal, overactive, or underactive compared with the rest of the gland.
What is a thyroid gland? The thyroid gland is an endocrine gland in your neck. It makes two hormones that are secreted into the blood: thyroxine (T4) and triiodothyronine (T3). These hormones are necessary for all the cells in your body to work normally.