What are the Causes of Pernicious Anemia?
When a person is afflicted with pernicious anemia, the blood cells are too big in size because they do not divide properly; hence, it is difficult for them to get out of the bone marrow. As has been mentioned above, the problem is caused by the deficiency of vitamin B12 in the body, which is one of the B vitamins. The best sources of B vitamins are animal foods like eggs, fish, meat, milk, as well as other dairy products. Vitamin B12 is essential for the production of red blood cells in the body. It is also required for the nervous system to work normally. There are several ways that low levels of vitamin B12 can develop: • Due to the lack of a certain kind of a certain kind of protein in the stomach, known as intrinsic factor, which is produced by special types of cells, known as parietal cells, which are located in the stomachs lining. These cells can be destroyed in some people by their own immune system or due to a stomach surgery. The stomach surgery can involve partial or total r
