Blood Test Accurately Predicts Five-Year Alzheimer's Risk

Source: Google News - HealthA blood test for a biomarker known as p-tau217 recently received federal clearance, but it's been unclear whether such tests can accurately predict whether a cognitively healthy individual will develop cognitive impairment—a key symptom of Alzheimer's disease. Now, a study published in JAMA suggests the value of such tests. The study found that unimpaired people with high levels of p-tau217 had a 38% risk of cognitive impairment over the next...