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  2. Iron deficiency - Wikipedia

    en.wikipedia.org/wiki/Iron_deficiency

    Iron deficiency, or sideropenia, is the state in which a body lacks enough iron to supply its needs. Iron is present in all cells in the human body and has several vital functions, such as carrying oxygen to the tissues from the lungs as a key component of the hemoglobin protein, acting as a transport medium for electrons within the cells in the form of cytochromes, and facilitating oxygen ...

  3. Feeling so tired all the time? Iron deficiency might be the ...

    www.aol.com/lifestyle/feeling-tired-time-iron...

    What causes low iron? ... Weakness, fatigue and lightheadedness are among the most noticeable symptoms associated with iron deficiency, says Nance. Iron deficiency can also cause shortness of ...

  4. Iron-deficiency anemia - Wikipedia

    en.wikipedia.org/wiki/Iron-deficiency_anemia

    Iron-deficiency anemia is anemia caused by a lack of iron. [3] Anemia is defined as a decrease in the number of red blood cells or the amount of hemoglobin in the blood. [3] When onset is slow, symptoms are often vague such as feeling tired, weak, short of breath, or having decreased ability to exercise. [1]

  5. Can I be iron deficient but not anemic? What to know. - AOL

    www.aol.com/iron-deficient-not-anemic-know...

    The World Health Organization defines low ferritin in adults as below 15 nanograms per milliliter, but in clinical practice, iron deficiency may be diagnosed when ferritin is below 30 nanograms ...

  6. Nutritional anemia - Wikipedia

    en.wikipedia.org/wiki/Nutritional_anemia

    Nutritional causes are vitamin and mineral deficiencies and non-nutritional causes include infections. The number one cause of this type of anemia, however, is iron deficiency. [12] An insufficient intake of iron, Vitamin B12, and folic acid impairs the bone marrow function. The lack of iron within a person's body can also stem from ulcer bacteria.

  7. Iron deficiency in adults may be more common than thought ...

    www.aol.com/news/iron-deficiency-adults-may-more...

    An analysis of data from more than 8,000 adults in the U.S. revealed that 14% had low iron blood levels, ... While not the cause, iron deficiency can be a sign of some serious health problems ...

  8. Anemia - Wikipedia

    en.wikipedia.org/wiki/Anemia

    Main symptoms that may appear in anemia [20] The hand of a person with severe anemia (on the left, with ring) compared to one without (on the right). A person with anemia may not have any symptoms, depending on the underlying cause, and no symptoms may be noticed, as the anemia is initially mild, and then the symptoms become worse as the anemia worsens.

  9. How to know if you've got low iron levels - AOL

    www.aol.com/news/know-youve-got-low-iron...

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