A new blood test test could determine how far Alzheimer's has progressed and could also help confirm whether another condition is causing a person’s cognitive symptoms.

With two new treatments for Alzheimer’s disease approved in recent years, there’s growing hope for people at risk of the memory-robbing condition. But tests to detect the condition still lag behind. Earlier diagnosis would mean that people could take advantage of the drugs sooner,

New blood test developed by researchers can not only detect Alzheimer’s disease but also determine its stage, helps personalize treatment.