Blood Tests Show Promise for Early Detection of Alzheimer’s Risk

47 articles · Updated · ScienceAlert · Apr 21

Recent studies suggest that blood tests could predict Alzheimer’s risk years before symptoms or brain scan changes appear.
Biomarkers such as pTau217, neutrophil-to-lymphocyte ratio, and mitochondrial DNA variants have been linked to early disease processes and future cognitive decline.
These advances may enable earlier intervention and monitoring, but further research is needed before such tests become routine in clinical practice.

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