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7 Science-Based Health Benefits of Selenium

For example, one study showed that the selenium concentration in Brazil nuts varied widely by region. While a single Brazil nut from one region provided up to 288% of the recommended intake ...

Racial Differences in Serum Selenium Concentration ...

In the United States, many racial disparities in cancer incidence, such as the 61% higher incidence of prostate cancer among Blacks relative to Whites, remain unexplained. Using data from a large, nationally representative survey, the authors explored Black/White differences in serum selenium concentration.

Association between regional selenium status and reported ...

Correlation between COVID-19 cure rate in 17 cities outside Hubei, China, on 18 February, 2020 and city population selenium status (hair selenium concentration) analyzed using weighted linear regression …

Selenium Deficiency: Symptoms, Causes, and Treatment

In the United States, selenium deficiency is rare. ... The thyroid, part of the endocrine system, is the organ with the highest concentration of selenium per weight of organ tissue.

Linking Selenium Sources to Ecosystems: Irrigation

Linking Selenium Sources to Ecosystems: Refining The San Francisco Bay-Delta receives selenium (Se) internally from oil refineries and externally through riverine agricultural discharges. Predator species considered at risk from Se consume the estuary's dominant bivalve, C. amurensis, an efficient bioaccumulator of Se.

U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL …

Selenium concentration in coal varies among coal basins. The average and geometric mean concentrations of selenium in United States (U.S.) coal are reported as 2.8 and 1.8 ppm (whole-coal basis) respectively (Finkelman, 1993). Average selenium concentration …

Selenium in Georgia Soils and Forages: Importance in the ...

This publication highlights the role of selenium in animal nutrition; selenium concentration and distribution in soils and feedstuffs (grains and forages) produced in various parts of the United States and in Georgia; disorders resulting from Selenium deficiency or toxicity; various methods of selenium supplementation; and recommendations for selenium management in Georgia.

Serum Selenium Concentrations and Hypertension in the US ...

The increased blood pressure levels and prevalence of hypertension at high selenium levels in NHANES 2003 to 2004 is consistent with previous studies reporting a positive association of selenium concentration with adverse lipid profile and diabetes risk. 14–17 Indeed, it is possible that high risk factor levels at high selenium concentrations ...

National Primary Drinking Water Regulations | US EPA

The National Primary Drinking Water Regulations (NPDWR) are legally enforceable primary standards and treatment techniques that apply to public water systems. Primary standards and treatment techniques protect public health by limiting the levels of contaminants in drinking water.

A Deficiency Of The Trace Element Selenium In The ...

Question: A Deficiency Of The Trace Element Selenium In The Diet Can Negatively Impact Growth, Immunity, Muscle And Neuromuscular Function, And Fertility. The Introduction Of Selenium Supplements To Dairy Cows Is Justified When Pastures Have Low Selenium Levels. The Following Data On The Initial Milk Selenium Concentration …

Ecological Soil Screening Levels for Selenium

moisture, time, and the concentration of water soluble selenium (HSDB). In plants, selenium is an essential element for growth. In the environment, uptake and accumulation by plants is influenced by the concentration and form of selenium present in soils (Neal, 1990). The most bio-available forms of selenium …

Top 10 Foods Highest in Selenium - myfooddata

Foods high in selenium include Brazil nuts, tuna, oysters, pork, beef, chicken, tofu, whole wheat pasta, shrimp, and mushrooms. The current daily value (DV) for selenium is 55μg (micrograms). It is important to note that the amount of selenium in any product varies greatly by the amount of selenium …

Serum Selenium Concentrations and Diabetes in U.S. Adults ...

selenoproteins, the risk of selenium deficiency in the U.S. general population is negligible. Additional selenium intake at high intake levels does not increase glutathione peroxi-dase synthesis or activity, but rather increases plasma selenium concentration by the non-specific incorporation of selenomethionine

Selenium and human health - ScienceDirect

Beyond a specific plasma selenium concentration (at which relevant selenoproteins might be optimised), there may be no further advantage of high selenium status in reduction of cardiovascular mortality, and there is some evidence of a U-shaped association. 32 For example, at the baseline selenium status of participants in the UK PRECISE trial ...

Selenium in biology - Wikipedia

This coal was shown to have selenium content as high as 9.1%, the highest concentration in coal ever recorded in literature. [17] Symptoms of selenosis include a garlic odor on the breath, gastrointestinal disorders, hair loss, sloughing of nails, fatigue, irritability, and neurological damage.

Serum selenium concentrations and diabetes in U.S. adults ...

Given the high selenium exposure in the United States, the mechanisms underlying these associations need to be investigated. The high soil content of selenium in several areas of the United States and the use of supplements (Rayman 2008) explain the high mean selenium concentration …

Serum selenium concentrations and hypertension in the US ...

INTRODUCTION. Selenium is an essential element with antioxidant properties mediated through glutathione peroxidases and other selenoenzymes. Because oxidative stress is involved in hypertension development, 1 it has been suggested that selenium may be involved in blood pressure control and hypertension prevention. 2 – 4 The few studies that have evaluated the association between selenium …

Element Concentrations in Soils and Other Surfici ...

Conterminous United States By HANSFORD T. SHACKLETTE and JOSEPHINE G. BOERNGEN U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 1270 An account of the concentrations of 50 chemical elements in samples of soils and other regoliths UNITED STATES …

Urine selenium concentration is a useful biomarker for ...

Selenium (Se) concentration is a potential biomarker for assessing Se status at a population level in a low Se-status population. • VZ Variation in urine and plasma Se concentration of women and school aged children in Malawi corresponded between clusters between bet.

Aquatic Life Ambient Water Quality Criterion for Selenium ...

United States Office of Water EPA 822-R-16-006 Environmental Protection 4304T June 2016 . Agency . Aquatic Life Ambient Water Quality Criterion for. Selenium – Freshwater . 2016 . U.S. Environmental Protection Agency . Office of Water . Office of Science and Technology . Washington, D.C.

Selenium in Counties of the Conterminous States

Counties page > Se in Conterminous US Selenium in Counties of the Conterminous States (Hold the mouse over a county to view the concentration of the element; click on a county to retrieve all geochemical data within the county.) ...

Selenium in biology - Wikipedia

This coal was shown to have selenium content as high as 9.1%, the highest concentration in coal ever recorded in literature. [17] Symptoms of selenosis include a garlic odor on the breath, gastrointestinal …

11 Selenium Toxicity Dangers You Can Easily Avoid

Jul 19, 2016· United States. US Department of Health and Human Services. Toxicological Profile for Selenium. Atlanta, GA: U.S. Dept. of Health and Human Services, Public Health Service, Agency for Toxic Substances Disease Registry, 2003. Print. MacFarquhar, Jennifer K. et al. "Acute Selenium …

Selenium - Health Professional Fact Sheet

Mar 11, 2020· In the United States, 18% to 19% of adults and children use a dietary supplement containing selenium . According to an analysis of NHANES data from 2003–2004, the mean serum selenium concentration in U.S. adults aged 40 years or older is 13.67 mcg/dL .

Selenium map with great detail | Welcome to the ...

Jan 12, 2012· Selenium is a trace mineral present in the soil in varying amounts around the world. In the United States, soil is selenium-deficient in parts of the Pacific Northwest, from the Great Lakes region to the New England states, and along the Eastern Seaboard into Florida.

The role of selenium in human conception and pregnancy ...

Selenium (Se) is a trace element essential for the appropriate course of vital processes in the human body. It is also a constituent of the active center of glutathione peroxidase that protects cellular membranes against the adverse effects of H 2 O 2 lipid peroxides. Epidemiological surveys have demonstrated that selenium …

Selenium: Uses, Side Effects, Interactions, Dosage, and ...

Watanabe C, Kim CY, Satoh H. Tissue-specific modification of selenium concentration by acute and chronic dexamethasone administration in mice. Br J Nutr 1997;78:501-9. View abstract.

Selenium - Wikipedia

Selenium is a chemical element with the symbol Se and atomic number 34. It is a nonmetal (more rarely considered a metalloid) with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic.It rarely occurs in its elemental state or as pure ore compounds in the Earth's crust.

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