What to Know About the First FDA-Cleared Blood Test for Alzheimer’s Disease

Doctors say this new test may allow for earlier diagnosis in people showing symptoms. The U.S. Food and Drug Administration (FDA) has approved the first-ever blood test designed to help diagnose Alzheimer’s disease—the most common form of dementia. This condition affects over 7 million older adults in the U.S. and is characterized by a decline in memory and cognitive abilities.

The test, known as Lumipulse, identifies abnormal clusters of a protein in the brain called amyloid plaques. These plaques interfere with brain cell function and are a key indicator of Alzheimer’s disease.

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