Can a Simple Blood Test Predict Future Cognitive Decline?…

Can a Simple Blood Test Predict Future Cognitive Decline? New Study Highlights the Potential of p-tau217 A blood test that measures a protein called phosphorylated tau 217 (p-tau217) may help identify cognitively healthy older adults who are at higher risk of developing cognitive impairment years before symptoms appear, according to a large international study published in JAMA. Researchers analyzed data from 2,684 cognitively unimpaired adults across six longitudinal aging and Alzheimer's disease cohorts in North America, Australia, and Japan. Participants were followed for up to 13.5 years to determine whether baseline blood levels of p-tau217 could predict future cognitive decline. The study found that higher plasma p-tau217 levels