Foto de stock - ALZHEIMER´S DISEASE, DRAWING<BR>Alzheimer’s disease is the cause of three-fourths of all cases of dementia in subjects over 65 years of age. Dementia results from a reduction in the number of nerve cells and brain atrophy. A reduction in brain volume, particularly the gray matter which is rich in nerve cells, is a characteristic feature of Alzheimer’s disease.

Imagen: ALZHEIMER'S DISEASE, DRAWING<BR>Alzheimer’s disease is the cause of three-fourths of all cases of dementia in subjects over 65 years of age.

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