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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]
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 ...
"Children can become iron deficient if they're not getting significant enough nutritional intake to keep up with their growth," adds Dr. Casey O’Connell, a hematologist and an associate ...
Infants, toddlers, and pregnant women have higher than average needs. Increased iron intake is also needed to offset blood losses due to digestive tract issues, frequent blood donations, or heavy menstrual periods. [74] Iron is an essential part of hemoglobin, and low iron levels result in decreased incorporation of hemoglobin into red blood cells.
A recent study finds that 40% of young women and girls are deficient in iron, but their symptoms are often dismissed by some doctors. A ’startling’ number of young women and girls are ...
Those with low iron levels are often not discovered because doctors often test only for anemia, rather than the level of ferritin, a blood protein that contains iron and is a marker for stored ...
Hypochromic anemia may be caused by vitamin B6 deficiency from a low iron intake, diminished iron absorption, or excessive iron loss. It can also be caused by infections (e.g. hookworms) or other diseases (i.e. anemia of chronic disease), therapeutic drugs, copper toxicity, and lead poisoning.
"Too little iron can cause iron deficiency anemia," Dr. Cox continued. "Anemia can lead to complications, such as heart attack or stroke , due to decreased oxygen delivery and blood volume."
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