Hypothyroid Basics

 

The Endocrine System

The endocrine system is a collection of glands that produce hormones (chemical messengers). These hormones pass directly into the bloodstream to control metabolism, growth and sexual development.

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The Thyroid Gland

The thyroid gland is a small butterfly shaped gland with two lobes. It is situated in the front of your neck, just below the Adams Apple. The two lobes are joined together by tissue called the isthmus.

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Hypothyroidism

Here you can find out about hypothyroidism, its signs and symptoms and how your cholesterol is impacted as well as how other hormones interact with your thyroid system.

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Hashimoto's

Hashimoto’s disease is the autoimmune form of hypothyroidism.  If you have high levels of certain thyroid antibodies you have Hashimoto’s disease.

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Subclinical Hypothyroidism

Subclinical hypothyroidism is when some of your thyroid tests are abnormal but the others are normal.  It is sometimes referred to as mild hypothyroidism or borderline hypothyroidism.

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Congenital Hypothyroidism

Congenital Hypothyroidism (CH) is the name for babies born with hypothyroidism due to the thyroid gland being absent or severely deficient. If it is not detected and treated early irreversible neurological problems and poor growth can occur.

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Central Hypothyroidism

Central hypothyroidism is also called secondary hypothyroidism.  Central hypothyroidism is caused by abnormalities outside of the thyroid gland such as the hypothalamas or the pituitary.

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The Role of T3

Triiodothyronine (T3)  has a very important role in the thyroid system.  You need to ensure that your body has enough T3 as well as enough thyroxine (T4).

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Reverse T3

Reverse T3 is a hormone that ensures that our thyroid system is properly balanced.  Too much reverse T3 could mean that you are not converting thyroxine (T4) to triiodothyronine (T3).

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Nodules

Most nodules are harmless.  Some are due to cancer but many are benign.  Some nodules can cause problems with swallowing and breathing so they need to be checked out.

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