Local Health Alerts

A New Alzheimer’s Blood Test Study Can Estimate When Symptoms May Start — But It’s Not a Screening Test Yet

A new Nature Medicine study suggests a blood-based model may help estimate when Alzheimer’s symptoms could begin, but the research is not a consumer screening test. Here’s what the study actually found, what U.S. patients can access now, and why memory symptoms still…

Alzheimer’s Blood Tests Are Moving Closer to Everyday Care: What They Can Tell You, and What They Still Can’t

Roche’s FDA-cleared pTau181 blood test brings Alzheimer’s biomarker testing closer to everyday care, but right now it is mainly for adults 55 and older who already have cognitive symptoms, and a positive result still usually needs more workup. ([accessdata.fda.gov](https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfPMN/pmn.cfm?ID=K252163))

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