pernicious anemia

What is pernicious anemia?  Symptoms?  Possible causes?
Are people with this subject to liver disorders?  Is this something criticl or could it become?

[virgo57]

This is a cut and paste..hope it helps :)

  

    
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Vitamin B12 DeficiencyWhat Is It?
Symptoms
Diagnosis
Expected Duration
Prevention
Treatment
When To Call A Professional
Prognosis
Additional Info


What Is It?

Vitamin B12 deficiency is defined by low levels of stored B12 in the body that can result in anemia (reduced red blood cell count). Vitamin B12, available only in animal foods (meat and dairy products) or yeast extracts (such as brewer's yeast), is needed to produce an adequate amount of healthy red blood cells in the bone marrow.

Vitamin B12 deficiency can develop for the following reasons:

Absence of intrinsic factor (IF)(also called pernicious anemia)