A blood test may predict the start of Alzheimer's symptoms years in advance

A blood test may predict the start of Alzheimer's symptoms years in advance and doctors say it could become a game changer. The study shows a blood test can help identify healthy people at high risk for Alzheimer's disease and how far their disease has progressed. Subscribe: http://smarturl.it/AssociatedPress Read more: https://apnews.com​ This video may be available for archive licensing via https://newsroom.ap.org/home