Blood-based markers may reveal Alzheimer disease ten years before symptoms show

Alzheimer disease begins decades before any symptoms, such as memory loss, start to show. Consequently, early diagnosis increases the chances of slowing the disease down with drugs. A new study on an inherited form of the disease shows that a protein called GFAP is a possible biomarker for very early stages of the disease. The study could one day lead to an earlier detection of this serious and common disease.

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