New blood test diagnoses Alzheimer’s disease and measures how far it's progressed This is the first blood test to measure levels of tau, a protein linked to later stages of dementia Melissa Rudy By Melissa Rudy Fox News Published April 1, 2025 5:00am EDT

New blood test diagnoses Alzheimer’s disease and measures how far it's progressed This is the first blood test to measure levels of tau, a protein linked to later stages of dementia Melissa Rudy By Melissa Rudy Fox News Published April 1, 2025 5:00am EDT https://www.foxnews.com/health/new-blood-test-diagnoses-alzheimers-disease-measures-how-far-progressed