It is a big step forward in Alzheimers research as the FDA approves the first blood test to help aid the diagnosis of Alzheimer's Disease.

The Lumipulse test has specifically been approved to help diagnose the disease in the clinical setting. Dr. Amanada Smith said that makes it the first and only test with that advantage.

ABC Action News spoke with Dr. Amanda Smith, the director of Clinical Research at the Byrd Alzheimer's Institute, to learn more about the test. She said its crucial to know the difference between this blood test and some of the others that have been available.

Dr. Smith also explained how the test works.

It looks at two proteins that are circulating in the blood that sort of correlate to Alzheimers pathology in the brain one of those proteins is amyloid, and the othe

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