Blood test predicts start of Alzheimer’s disease symptoms

https://www.nih.gov/news-events/nih-research-matters/blood-test-predicts-start-alzheimers-disease-symptoms At a Glance Researchers developed an Alzheimer’s “clock” that uses a blood test to roughly predict the onset of Alzheimer’s disease symptoms. The ability to predict symptom onset could aid in the selection of clinical trial participants and might one day enable improved decision-making for patients.