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Selenium Deficiency

NutritionalSelenium deficiency1935 (Keshan disease identified)Dietary deficiency
TypeNutritional
CauseSelenium deficiency
First Known1935 (Keshan disease identified)
TransmissionDietary deficiency

About Selenium Deficiency

Causes Keshan disease, a cardiomyopathy first identified in China. Named after Keshan County where it was endemic. Also causes Kashin-Beck disease affecting joints and bones. Selenium is essential for thyroid function and antioxidant defense. Soil selenium varies dramatically by region.

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