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.

Tau proteins play an important role in our normal brain function, mainly by helping to stabilize neurons in the brain. But in Alzheimer’s disease, tau proteins can misfold and tangle inside neurons.

Currently, PET (positron emission tomography) brain scans are often used to spot these signs – but perhaps pTau217 blood ...

Can a blood test predict Alzheimer’s? New research shows the pTau217 biomarker detects amyloid accumulation and cognitive ...

A new study by investigators at Mass General Brigham has found that a blood test of plasma phosphorylated tau 217 (pTau217), an Alzheimer's disease biomarker, can predict the progression of amyloid ...

A blood test of plasma phosphorylated tau 217 (pTau217), an Alzheimer's disease biomarker, predicted a faster buildup of ...

By Dennis Thompson HealthDay ReporterWEDNESDAY, April 15, 2026 (HealthDay News) — A blood test can predict Alzheimer’s ...

Add Yahoo as a preferred source to see more of our stories on Google. Biologically speaking, there is no organ as vital or complex as the brain. And yet, the brain still remains somewhat a of a ...

A study by investigators at Mass General Brigham has found that a blood test of plasma phosphorylated tau 217 (pTau217), an ...

Biologically speaking, there is no organ as vital or complex as the brain. And yet, the brain still remains somewhat a of a mystery-there’s a lot that even experts don’t know. Another troubling fact ...