He recently published a study about a new spinal tap test and eventual blood test he helped develop that can measure a protein in the brain about a decade before it would show up on scans.

The biomarker test is a spinal tap test (also called a lumbar puncture) that uses a needle to remove cerebrospinal fluid (i.e. the fluid inside your spine) to look for these specific clumping ...

This test could potentially replace the current diagnostic method, a lumbar puncture/spinal tap (which is invasive and poses risks and challenges) in over half of patients with early symptoms ...