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54,200 (2015) [7] 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 ...
Functional or actual iron deficiency can result from a variety of causes. These causes can be grouped into several categories: Increased demand for iron, which the diet cannot accommodate. Increased loss of iron (usually through loss of blood). Nutritional deficiency. This can result due to a lack of dietary iron or consumption of foods that ...
[73] [74] Iron deficiency is the most prevalent deficiency state on a worldwide basis. It is sometimes the cause of abnormal fissuring of the angular (corner) sections of the lips (angular stomatitis). In the United States, the most common cause of iron deficiency is bleeding or blood loss, usually from the gastrointestinal tract.
Pernicious anemia is the most common cause of clinically evident vitamin B 12 deficiency worldwide. [14] Pernicious anemia due to autoimmune problems occurs in about one per 1000 people in the US. Among those over the age of 60, about 2% have the condition. [ 8 ]
However, many are associated with an infamous side effect: weight gain. Luckily, some antidepressants are less likely to cause weight gain than others. In fact, there are even some antidepressants ...
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