Selenium deficiency history and symptoms

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:

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Overview

History and symptoms

Selenium deficiency in combination with Coxsackievirus infection can lead to Keshan disease, which is potentially fatal. Selenium deficiency also contributes (along with iodine deficiency) to Kashin-Beck disease.[1] The primary symptom of Keshan disease is myocardial necrosis, leading to weakening of the heart. Kashin-Beck disease results in atrophy, degeneration and necrosis of cartilage tissue.[2] Keshan disease also makes the body more susceptible to illness caused by other nutritional, biochemical, or infectious diseases.

Selenium is also necessary for the conversion of the thyroid hormone thyroxine (T4) into its more active counterpart, triiodothyronine,[1] and as such a deficiency can cause symptoms of hypothyroidism, including extreme fatigue, mental slowing, goiter, cretinism, and recurrent miscarriage.[3]

References

  1. 1.0 1.1 "Toxicological Profile for Selenium" (PDF). Agency for Toxic Substances and Disease Registry. U.S. Department of Health and Human Services. September 2003. Retrieved 7 Sep 2015.
  2. Moreno-Reyes, Rodrigo; Suetens, Carl; Mathieu, Françoise; Begaux, Françoise; Zhu, Dun; Rivera, Maria T.; Boelaert, Marleen; Nève, Jean; et al. (1998). "Kashin–Beck Osteoarthropathy in Rural Tibet in Relation to Selenium and Iodine Status". New England Journal of Medicine. 339 (16): 1112–20. doi:10.1056/NEJM199810153391604. PMID 9770558.
  3. "Selenium: Dietary Supplement Fact Sheet". National Institutes of Health. Retrieved July 4, 2013.

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