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  2. Selenium deficiency - Wikipedia

    en.wikipedia.org/wiki/Selenium_deficiency

    Selenium deficiency occurs when an organism lacks the required levels of selenium, a critical nutrient in many species.Deficiency, although relatively rare in healthy well-nourished individuals, [1] can have significant negative results, [2] affecting the health of the heart and the nervous system; contributing to depression, anxiety, and dementia; and interfering with reproduction and gestation.

  3. Toxic heavy metal - Wikipedia

    en.wikipedia.org/wiki/Toxic_heavy_metal

    A deficiency of these essential metals may increase susceptibility to heavy metal poisoning. [76] Selenium is the most toxic of the heavy metals that are essential for mammals. [77] Selenium is normally excreted and only becomes toxic when the intake exceeds the excretory capacity. [78]

  4. Selenium in biology - Wikipedia

    en.wikipedia.org/wiki/Selenium_in_biology

    In the United States, selenium deficiency is not common. A federal survey of food consumption determined that for women and men over the age of 19, average consumption from foods and beverages was 89 and 125 μg/day, respectively. For women and men of all ages fewer than 3% consumed less than the EAR. [33]

  5. Selenium - Wikipedia

    en.wikipedia.org/wiki/Selenium

    Selenium is found in metal sulfide ores, where it substitutes for sulfur. Commercially, selenium is produced as a byproduct in the refining of these ores. Minerals that are pure selenide or selenate compounds are rare. The chief commercial uses for selenium today are glassmaking and pigments. Selenium is a semiconductor and is used in photocells.

  6. Keshan disease - Wikipedia

    en.wikipedia.org/wiki/Keshan_disease

    There are four main types of Keshan disease: acute, subacute, chronic, and latent. Some signs and symptoms of acute Keshan disease include dizziness, malaise, nausea, chills, loss of appetite, projectile vomiting, pallor, low arterial blood pressure (less than 80/60 mmHg), dyspnea, precardiac (anterior to the heart) or substernal (behind or below the sternum) discomfort, cardiogenic shock, and ...

  7. California to remove racist term for Native American Woman ...

    www.aol.com/california-remove-racist-term-native...

    Officials in California are working to remove a racist term towards Native American women in more than 30 locations in California, according to the state Natural Resources Agency.. The removal of ...

  8. Why did Iga Swiatek get a one-month doping ban? What did she ...

    www.aol.com/why-did-iga-swiatek-one-195419132.html

    Iga Swiatek is the second high-profile tennis player to test positive for a banned substance this year, joining Jannik Sinner. While Sinner, currently the No. 1 ranked man, was fully cleared ...

  9. Mineral deficiency - Wikipedia

    en.wikipedia.org/wiki/Mineral_deficiency

    Mineral deficiency is a lack of the dietary minerals, the micronutrients that are needed for an organism's proper health. [1] The cause may be a poor diet , impaired uptake of the minerals that are consumed, or a dysfunction in the organism's use of the mineral after it is absorbed.