Coal ash is known to contain dangerous elements including arsenic, lead, and selenium, yet the TVA refused at first to issue any health warnings about contamination from the spill.

煤灰渣含有多种危险物质，包括砷、铅、硒等，然而田纳西流域管理局起先矢口否认煤灰渣中含有对健康有害的物质。

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Selenium is an essential antioxidant mineral that performs many functions in the body including preservation of normal liver function and maintaining resistance to disease.

硒是一种重要的矿物质，抗氧化剂，包括保存在执行正常的肝功能和维持对疾病的抵抗力身体的许多功能。

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A review is given on the relationship between selenium and the humans health including preventing cardiovascular disease and tumour, anti-aging, improving immunity and treating hepatitis, etc.

综述了硒与人体健康的关系，包括：硒与心血管疾病、硒与肿瘤、硒与抗衰老、硒与免疫、硒与肝炎等的关系。

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Saltwater fish also contain minerals, including iron, iodine, phosphorus, and selenium.

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Dr Elizabeth Weichselbaum, a nutrition scientist at the British Nutrition Foundation, says meat is an important source of a number of nutrients in our diet, including high quality protein, iron, zinc, selenium, vitamin D and some B vitamins.

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