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Low blood levels of the thyroid hormones — triiodothyronine (T3) and thyroxine (T4) — signal the hypothalamus to release the thyrotropin-releasing hormone (TRH). TRH then reaches the pituitary gland and stimulates the release of thyroid-stimulating hormone(TSH) into the bloodstream.
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The skin plays a crucial role in the synthesis of vitamin D, a vital nutrient for various physiological processes in the body. Vitamin D is unique because it can be synthesized in the skin through a series of chemical reactions triggered by exposure to ultraviolet B (UVB) radiation from sunlight.
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A Method of Trigonometric Modelling of Seasonal Variation Demonstrated with Multiple Sclerosis Relapse Data
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Vitamin D in thyroid disorders.

P Kmieć1, K Sworczak1

  • 1Department of Endocrinology and Internal Medicine, Medical University of Gdańsk, Gdańsk, Poland.

Experimental and Clinical Endocrinology & Diabetes : Official Journal, German Society of Endocrinology [And] German Diabetes Association
|July 15, 2015
PubMed
Summary
This summary is machine-generated.

Vitamin D plays a role in musculoskeletal health, but its impact on thyroid disorders remains unclear. Further research is needed to understand the connection between vitamin D and thyroid disease.

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Area of Science:

  • Endocrinology
  • Nutritional Science

Background:

  • Vitamin D is traditionally known for its musculoskeletal effects.
  • Emerging research explores vitamin D's extraskeletal health implications.
  • Hypovitaminosis D and genetic variations are linked to adverse health outcomes.

Purpose of the Study:

  • To review the current understanding of vitamin D's role in thyroid disorders.
  • To synthesize existing literature on vitamin D and various thyroid conditions.

Main Methods:

  • Literature search of the PubMed database conducted in December 2014.
  • Keywords included 'vitamin D' combined with terms like 'thyroid cancer', 'Graves', 'Hashimoto', 'thyroiditis', 'autoimmune thyroid', 'AITD', 'nodules', 'hyperthyroidism', and 'hypothyroidism.'

Main Results:

  • A definitive role for vitamin D in thyroid disorders has not yet been established.
  • Current evidence, similar to other extraskeletal effects, is inconclusive.

Conclusions:

  • The precise importance of vitamin D in thyroid disease requires further investigation.
  • Additional research is necessary to fully elucidate the relationship between vitamin D and thyroid health.