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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 ...
Before iron deficiency anemia sets in, “the body will do everything it can to retain the right number of red blood cells. So, it will deplete the storage iron before it depletes the red blood ...
Within the United States, iron-deficiency anemia affects about 2% of adult males, 10.5% of White women, and 20% of African-American and Mexican-American women. [78] A new study in 2024 suggests that nearly 1 in 3 Americans may have undiagnosed iron deficiency, which can cause fatigue, brain fog, and concentration problems.
The most common type is iron-deficiency anemia, in which a lack of iron leads to a reduction in the number of red blood cells or hemoglobin. This can impair oxygen transport throughout the body.
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.
Iron deficiency anemia can intensify symptoms of fatigue and shortening of breath, and can cause cold sensitivity, hair loss, paleness to the skin and nail changes, says Cunningham. It has also ...
Iron supplements, also known as iron salts and iron pills, are a number of iron formulations used to treat and prevent iron deficiency including iron deficiency anemia. [ 11 ] [ 12 ] For prevention they are only recommended in those with poor absorption , heavy menstrual periods , pregnancy , hemodialysis , or a diet low in iron.
An analysis of data from more than 8,000 adults in the U.S. revealed that 14% had low iron blood levels, a condition known as absolute iron deficiency, while 15% had the right iron levels but ...
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