Posts Tagged ‘TSH’

Study: Effects of combined iodine and selenium deficiency on thyroid hormone metabolism in rats

Friday, July 1st, 2011

-:: This Abstract is posted here for posterity and archival purposes only ::-

Am J Clin Nutr. 1993 Feb;57(2 Suppl):240S-243S.

Effects of combined iodine and selenium deficiency on thyroid hormone metabolism in rats.

Beckett GJ, Nicol F, Rae PW, Beech S, Guo Y, Arthur JR.

University Department of Clinical Chemistry, Royal Infirmary, Edinburgh, UK.

Abstract

This paper compares the effects of combined iodine and selenium deficiency, of single deficiencies of these trace elements, and of no deficiency on thyroid hormone metabolism in rats.

In rats deficient in both trace elements, thyroidal triiodothyronine (T3), thyroidal thyroxin (T4), thyroidal total iodine, hepatic T4, and plasma T4 were significantly lower, and plasma thyroid-stimulating hormone (TSH) and thyroid weight were significantly higher than in rats deficient in iodine alone.

Plasma and hepatic T3 concentrations were similar in the dietary groups. Hepatic type I iodothyronine deiodinase (ID-I) activity was inhibited by selenium deficiency irrespective of the iodine status. Type II deiodinase (ID-II) activity in the brain was significantly higher and in pituitary, significantly lower in combined deficiency than in iodine deficiency alone.

These data show that selenium can play an important role in determining the severity of the hypothyroidism associated with iodine deficiency.

PMID:
8427196
[PubMed - indexed for MEDLINE]
Source: http://www.ncbi.nlm.nih.gov/pubmed/8427196

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Intro to Hypothyroidism Symptoms and Treatment

Monday, January 17th, 2011

Video from Dr. Mercola. A great introduction to hypothyroidism.

Notes from the video clip below:

If your TSH blood test is over 1.5 (not 5.0) you likely are hypothyroid, confirm this with a free T3 and free T4 tests

Iodine deficiency is a common cause of hypothyroidism. Get enough Iodine , use SSKI to get Iodine

Avoid soy (it induces hypothyroidism) especially un-fermented soy

Use coconut oil

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If you are hypothyroid, hormones can be used, Synthroid (T4) and other synthetic hormones are not recommended. If you have not been on synthetic hormones for a long time using armour thyroid is better (gives you T1, T2, T3 and T4). Eventually you may be able to not need hormones at all. Your allopathic physician will prescribe synthetic drugs, a holistic doctor will prescribe armour thyroid instead.

Enjoy:

I take Iodoral or Lugols and eat sea weed to get iodine into my diet. I do “not” use table salt. Table salt should be avoided. Also cruciferous vegetables inhibit the thyroid and they should be steamed before being eaten to remedy this.

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