---
title: Researchers Can Now Tell Which Neurons Are Dying From a Blood Sample
description: A peer-reviewed study traces DNA from dying neurons in blood back to the cell type it came from. It is early research, not a test you can get yet.
author: Darie Nani (Editor-in-Chief)
date: 2026-08-09T08:00:00.000Z
updated: 2026-08-25T13:08:47.649Z
canonical: https://richhealthmagazine.com/article/blood-test-which-neurons-dying-cfdna
image: https://cdn.nanimediahouse.com/neuron-cfdna-blood-signature-118884.webp
categories: Longevity & Science
content_type: News
region: United States
publication: Rich Health Magazine
access: members
schema_type: Article
---

---

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