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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] It more commonly affects people of northern European descent. [2]
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.
Nutritional anemia can be caused by a lack of iron, protein, vitamin B12, and other vitamins and minerals that are needed for the formation of hemoglobin. However, Iron deficiency anemia is the most common nutritional disorder. [7] Signs of anemia include cyanosis, jaundice, and easy bruising. [7]
Anemia affects 27% of the world's population with iron-deficiency anemia accounting for more than 60% of it. [116] A moderate degree of iron-deficiency anemia affected approximately 610 million people worldwide or 8.8% of the population. [14] It is somewhat more common in females (9.9%) than males (7.8%). [14]
The U.S. population grew only 0.1% from the previous year before. [90] The United States' population has grown by less than one million people for the first time since 1937, with the lowest numeric growth since at least 1900, when the Census Bureau began yearly population estimates. [90]
APS-3: Type 1 diabetes, atrophic gastritis, pernicious anemia, vitiligo, alopecia, and myasthenia gravis, and autoimmune thyroid disease; Addison's disease and/or hypoparathyroidism are not included in this association. [4] APS-4: Combinations that weren't in the earlier groups. [4]
Higher red blood cell diameter and wider variation in size are often seen in pernicious anaemia. [3] Lower diameter with normal variation in size are often seen after haemorrhage . [ 3 ] A higher variation in size is known as anisocytosis .
Primary anemia may refer to: ... Pernicious anemia This page was last edited on 25 ... Statistics; Cookie statement; Mobile view ...