We're now closer to being able to diagnose the most common form of dementia with a simple test. The Food and Drug Administration on May 16 said it cleared the first blood test for Alzheimer's disease.

The first blood test used to diagnose Alzheimer’s disease was cleared by the Food and Drug Administration for marketing Friday, meaning the laboratory test can be marketed and sold in the U.S ...

First Blood Test to Diagnose Alzheimer’s Cleared by FDA. A blood sample analysis can detect markers of this disease at early stages, providing a cheaper and less invasive option for diagnosis.

This test actually looks at a ratio of those two proteins in the blood, and based on the calculation, it can diagnose Alzheimer’s if it’s at a certain point,” explained Dr. Smith.

The Food and Drug Administration (FDA) cleared the first blood test on Friday to help diagnose Alzheimer's disease. The test, manufactured by Fujirebio Diagnostics, is for those aged 55 and older ...