According to the American Thyroid Association, ʺmore than 20 million Americans have a thyroid issue and more than 60 percent go undiagnosed.ʺ In their lifetime, more than 12 percent of ...
The thyroid gland is an important part of the human body. An organ of the endocrine system, the thyroid gland produces the thyroid hormones triiodothyronine (T3) and thyroxine (T4).
Normally, the thyroid produces two thyroid hormones: thyroxine (T4) and triioxothyronine (T3). These hormones are involved in several different functions of the body, including metabolism.
In the United States, about 5 percent of the population has hypothyroidism, or an underactive thyroid, according to the National Endocrine and Metabolic Diseases Information Service.
With an underactive thyroid, or hypothyroidism, the thyroid does not produce as many hormones as usual. Several symptoms can occur with an underactive thyroid.
When a person has an underactive thyroid, or hypothyroidism, her thyroid does not produce enough of the thyroid hormones — triiodothyronine (T-3) and thyroxine (T-4) — which are involved ...