Archive · 12 Jan 2026
Finger-prick blood test shows promise for early Alzheimer’s detection
Scientists have found a new way to detect Alzheimer’s disease early using a simple finger-prick blood test.
This test is easier and less scary than the usual methods like brain scans or spinal fluid tests.
The study showed that this test can accurately find signs of Alzheimer’s 86% of the time.
It was tested on people with different levels of memory problems and those at high risk, like people with Down syndrome.
The test collects a few drops of blood on a special card and checks for the same markers as the usual tests.
This could be a big help because it can be done at home and might slow down the disease if caught early.
Alzheimer’s starts with memory loss and gets worse over time, making it hard for people to do everyday things.
Right now, doctors use brain scans and memory tests to diagnose it, but these new findings could make it much simpler.
A new finger-prick blood test for Alzheimer’s shows 86% accuracy in detecting disease-related changes.
The study involved 337 participants across five European countries, including those with cognitive impairment and Down syndrome.
The test uses dried blood samples on special cards, similar to conventional diagnostic methods but less invasive.
Current diagnostic methods include brain scans and spinal fluid tests, which are more costly and invasive.
Early detection of Alzheimer’s could slow disease progression and improve patient outcomes.
- Who
- Researchers from Banner Health and University of Exeter, along with 337 participants across five European countries
- What
- A finger-prick blood test for early detection of Alzheimer’s disease
- When
- Study findings published in Nature Medicine (exact date not specified)
- Where
- Study conducted across Denmark, Italy, Spain, Sweden, and the United Kingdom
- Why
- To provide a less invasive, more accessible method for early Alzheimer’s diagnosis
- Study Accuracy
- 86%
- Participants
- 337
- Countries Involved
- Denmark, Italy, Spain, Sweden, UK
- Lead Institution
- Banner Health (US) and University of Exeter
- Current Diagnostic Methods
- Brain scans, spinal fluid tests
- Early Symptoms
- Memory loss
- Late-stage Symptoms
- Loss of mobility, bowel/bladder control, infections