New AI blood test can help detect several brain diseases at once

New AI model detects multiple brain diseases from a single blood sample

The symptom profiles of different neurodegenerative diseases often overlap, and diagnosing age-related cognitive symptoms is complex. A patient may have multiple overlapping disease processes in the brain at the same time.

New AI blood test can help detect several brain diseases at once

Memory loss can point in more than one direction. A patient may seem to fit Alzheimer’s disease, only to have signs that also resemble Parkinson’s disease or a past stroke. In many older adults, those conditions can overlap inside the brain, which helps explain why diagnosis is often messy, slow, and sometimes wrong. A new study from Lund University in Sweden suggests that a single blood sample, paired with artificial intelligence, may one day h…