Could the way you walk reveal Alzheimer's years before symptoms begin?

By the time Alzheimer's disease begins affecting a person's memory, the underlying changes in the brain may have been developing for decades. That delay limits opportunities for early intervention by the time most people receive a diagnosis. Current diagnostic tools often rely on costly brain imaging, blood tests or cognitive evaluations that are typically performed only after symptoms become noticeable.

source https://medicalxpress.com/news/2026-08-reveal-alzheimer-years-symptoms.html