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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 ...
Human iron metabolism is the set of chemical reactions that maintain human homeostasis of iron at the systemic and cellular level. Iron is both necessary to the body and potentially toxic. Controlling iron levels in the body is a critically important part of many aspects of human health and disease.
For example, in children under two years of age, iron deficiency anemia is likely to affect brain function acutely, and probably also chronically. Similarly, folate deficiency has been linked to neural tube defects. [74] Iodine deficiency is "the most common preventable cause of mental impairment worldwide."
These include individual factors like food neophobia, temperament, and sensitivity to bitter tastes, as well as family-related factors such as education, income, food insecurity, and cultural norms. Young children tend to accept foods that are familiar and routine, as preferences are shaped through repeated exposure.
Education research and information are essential to improving teaching, learning, and educational decision-making. ERIC provides access to 1.5 million bibliographic records ( citations , abstracts , and other pertinent data) of journal articles and other education-related materials, with hundreds of new records added every week.
Haemochromatosis is protean in its manifestations, i.e., often presenting with signs or symptoms suggestive of other diagnoses that affect specific organ systems.Many of the signs and symptoms below are uncommon, and most patients with the hereditary form of haemochromatosis do not show any overt signs of disease nor do they have premature morbidity, if they are diagnosed early, but, more ...
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]
Access to healthcare is another determinant of food utilization since the health of individuals controls how the food is metabolized. [18] For example, intestinal parasites can take nutrients from the body and decrease food utilization. [61] Sanitation can also decrease the occurrence and spread of diseases that can affect food utilization.