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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. Selenium in biology - Wikipedia

    en.wikipedia.org/wiki/Selenium_in_biology

    Selenium at nutritional levels is required for cell homeostasis, playing a role as an anti-oxidant through selenoproteins, thus, act chemo-preventive against cancer. In contrast, supra-nutritional levels act as pro-oxidant toxic in tumour cells. [39] Selenium has bimodal biological action

  4. Cytopenia - Wikipedia

    en.wikipedia.org/wiki/Cytopenia

    The symptoms of cytopenia vary depending on the type. The symptoms of anemia include: [citation needed] Fatigue; Weakness; Shortness of breath; Poor concentration; Dizziness or feeling lightheaded; Cold hands or feet [4] The symptoms of leukopenia include: Frequent infections; Fever; The symptoms of thrombocytopenia include: Easily bleeding or ...

  5. Selenium - Wikipedia

    en.wikipedia.org/wiki/Selenium

    Selenium at nutritional levels or low concentrations is required for cell homeostasis, playing a role as an anti-oxidant through selenoproteins, thus, act chemo-preventive against cancer. In contrast, supra-nutritional levels or higher concentrations act as pro-oxidant in tumour cells, thus can be exploited as chemo-therapeutic against cancer .

  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. Latent iron deficiency - Wikipedia

    en.wikipedia.org/wiki/Latent_Iron_Deficiency

    In stage 3, anemia (reduced hemoglobin levels) is present but red blood cell appearance remains normal. [4] Changes in the appearance of red blood cells are the hallmark of stage 4; first microcytosis and then hypochromia develop. [4] Iron deficiency begins to affect tissues in stage 5, manifesting as symptoms and signs. [4]

  8. Selenoprotein - Wikipedia

    en.wikipedia.org/wiki/Selenoprotein

    Selenium is a vital nutrient in animals, [7] including humans. About 25 different selenocysteine-containing selenoproteins have so far been observed in human cells and tissues. [ 8 ] Since lack of selenium deprives the cell of its ability to synthesize selenoproteins, many health effects of low selenium intake are believed to be caused by the ...

  9. Nutritional immunology - Wikipedia

    en.wikipedia.org/wiki/Nutritional_immunology

    Diabetes mellitus is a disease in which one's blood sugar levels are elevated. [13] There are two forms of diabetes: Type 1 diabetes and Type 2 diabetes. Type 1 is caused by the immune system attacking insulin-producing cells in the pancreas. Type 2 is caused by the underproduction of insulin and the cells in your body becoming resistant to ...