Simple Blood Test May Predict Alzheimer’s Years Before Brain Scans Show Signs

Mass General Brigham researchers used long-term data and a blood test for the biomarker pTau217 to identify the earliest signs of Alzheimer’s disease in cognitively healthy adults. A team of investigators at Mass General Brigham reports that a blood test measuring plasma phosphorylated tau 217 (pTau217), a biomarker linked to Alzheimer’s disease, can forecast changes [...]