- by Medikoe Health Expert
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- Feb 09 2017
Hyperthyroidism is a condition of the thyroid gland, a small, butterfly-shaped gland located at the front of your neck. It produces tetraiodothyronine (T4) and triiodothyronine (T3), two primary hormones that control how the cells use energy. Thyroid gland regulates our metabolism through the release of these hormones. Hyperthyroidism occurs when the thyroid makes excess of these hormones.
Hyperthyroidism can be caused due to a number of factors. Graves' disease, an autoimmune disorder, is one of the most common cause of hyperthyroidism, making the antibodies to stimulate the thyroid to produce too much hormones. Graves’ disease tends to run in families and is more common in women.
Some other common reasons for hyperthyroidism include:
- Hyper functioning thyroid nodules: One or more nodules or lumps in the thyroid grow and speed up their function, producing too much hormone.
- Thyroiditis: A condition in which the immune system or an infection causes the thyroid gland to become inflamed and secrete extra thyroid hormone that leaks into the bloodstream.
- Excess iodine.
- Benign tumours.
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