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Created with Fabric.js 1.4.5 Food Sources Function Signs of Deficiency Food Sources Recommended Intake Fun Fact constituent of over two dozen selenoproteins that play critical roles inreproduction, thyroid hormone metabolism,DNA synthesis, and protection from oxidative damage and infection. Function Signs of Deficiency Recommended Intake Recommended Intake Recommended Intake Fun Fact birth to 6 months: 15mcg7 months-3 years: 20 mcg4-8 years: 30 mcg9-13 years: 40 mcg14+ years: 55 mcg 1. Willoughby Smith discovered selenium reacts to light (photoelectric effect), leading to its use as a light sensor in the 1870s. Alexander Graham Bell made a selenium-based photophone in 1879.2. 1. Selenium gets its name from the Greek word selene, which means moon. Selene also was the Greek goddess of the moon.3. The primary use of selenium is to decolorize glass, color glass red, and to make the pigmentChina Red. Other uses are in photocells, in laser printers and photocopiers, in steels, in semiconductors, and assorted medicinal preparations. Selenium deficiency is extremely uncommon in Americans and rarely needs to be supplemented. Deficiency can cause symptoms similar to that of hypothyroidism, including extreme fatigue, slowed mental process, goiter, cretinism, and recurrent miscarriage. Deficiencycan lead to the potentially fatal Keshan disease when occurring alongsideCocxsackievirus infection. Work Cited "Selenium. 8 Feb. 2015. " "Selenium." Dietary Supplement Fact Sheet: Health Professional Fact Sheet. National Institutes of Health, 2 July 2013. Web. 02 Feb. 2015.
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