Iron in Human Body
Perhaps the most important of iron’s functions in the body is the production of hemoglobin and myoglobin (the form of hemoglobin found in muscle tissue), and the oxygenation of red blood cells.
Iron is the mineral found in the largest amounts in the blood.
It is essential for many enzymes including catalase and is important for growth. Iron is also required for a healthy immune system and for energy production.
Iron deficiency is most often caused by insufficient intake. However, it may result from intestinal bleeding, a diet high in phosphorus, poor digestion, long term digestion illness, ulcers, prolonged used of antacids, excessive coffee or tea consumption and other causes.
Menstruating women may become iron deficiency, especially if they have heavy or prolonged periods and/or short menstrual cycles.
In some cases, a deficiency of vitamins B6 (pyridoxine) or vitamin B12 can be the underlying cause of anemia. Strenuous exercise and heavy perspiration also deplete iron from the body.
Strict vegetarian are susceptible to iron deficiency.
Iron deficiency symptoms include anemia, brittle hair, difficulty swallowing digestive, disturbances, dizziness, fatigue, fragile bones, hair loss , inflammation of the tissues of the mouth, nails that are spoon shaped or that have ridges running lengthwise, nervousness, obesity, pallor, and slowed mental reactions.
Because iron is stored in the body, excessive iron intake can also cause problems. Too much iron in the tissues and organs leads to the production of free radicals and increases the need for vitamin E.
High levels of iron have also been found in association with heart disease and cancer.
The buildup or iron in the tissues has been associated with a rare disease known as hemochromatosis, a hereditary disorder of iron metabolism that is found mostly in men and that causes excessive absorption of iron from both foods and supplements, leading to bronze skin pigmentation, arthritis, cirrhosis of the over, diabetes and heart disorders.
Iron in Human Body
Other related articles:
Interaction of Iron with other nutrients
Food Sources of Iron
