Pernicious Anemia (Vitamin B-12 Deficiency) Topic Guide
Pernicious Anemia (Vitamin B-12 Deficiency): Pernicious anemia (vitamin B-12 deficiency) is a type of anemia that is a result of the body's inability to absorb vitamin B-12 into the gastrointestinal tract. Common symptoms are fatigue and shortness of breath. Causes of pernicious anemia can be attributed to autoimmune diseases such as thyroid disorders, vitiligo, celiac disease, Crohn's disease, and infection and poor nutrition. Treatment for pernicious anemia is generally with life-long vitamin B-12 injections.
Dementia is the loss of reasoning, memory, and other mental abilities. Dementia may be caused by irreversible causes such as Alzheimer's disease, Parkinson's dementia, lewy body dementia, and vascular dementia. There are also treatable causes of dementia such as infections, head injury, normal hydrocephalus, and metabolic and hormonal disorders. Early symptoms of dementia include:
A variety of tests (blood tests, scans, assessment of family history) may be used to diagnose dementia. Treatment may include medication and behavioral therapy.
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