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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]
Pernicious anemia is the most common cause of vitamin B 12 deficiency anemia in adults, which results from malabsorption of vitamin B 12 due to a lack or loss of intrinsic factor. [2] [8] There are relatively few studies which have assessed the impact of haematological measures in response to B 12 supplementation.
Anemia of endocrine disease [36] Disturbance of proliferation and maturation of erythroblasts. Pernicious anemia [35] is a form of megaloblastic anemia due to vitamin B 12 deficiency dependent on impaired absorption of vitamin B 12. Lack of dietary B 12 causes non-pernicious megaloblastic anemia.
Pernicious anemia is a disease where not enough red blood cells are produced due to a deficiency of vitamin B 12. [5] Those affected often have a gradual onset. [ 5 ] The most common initial symptoms are feeling tired and weak. [ 4 ]
Many causes of dementia are neurodegenerative, and protein misfolding is a cardinal feature of these. [66] Other common causes include vascular dementia, dementia with Lewy bodies, frontotemporal dementia, and mixed dementia (commonly Alzheimer's disease and vascular dementia).
Patients may also exhibit dementia, mutism, and convulsions. [1] Excessive aluminium has been found to cause anemia and has a direct impact on hematopoiesis. Patients with aluminium toxicity have been found to have microcytic anemia, anisocytosis, poikilocytosis, chromophilic cells, and basophilic stippling on their peripheral smears. [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 ...
Sideroblastic anemia, or sideroachrestic anemia, is a form of anemia in which the bone marrow produces ringed sideroblasts rather than healthy red blood cells (erythrocytes). [1] In sideroblastic anemia, the body has iron available but cannot incorporate it into hemoglobin , which red blood cells need in order to transport oxygen efficiently.