Study: Alzheimer's blood test diagnosed 91% of dementia cases

The video discusses advancements in Alzheimer's detection, focusing on a study comparing a new blood test, Persivity 82, with traditional methods like cognitive tests and brain scans. The blood test showed higher accuracy, but the study had limitations, including lack of diversity and no FDA approval. Alzheimer's advocates support blood-based tests for early diagnosis. More research is needed, and several blood tests are in development but not yet FDA approved.

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