BLOOD TEST MAY HELP PREDICT RISK OF COGNITIVE DECLINE DUE TO ALZHEIMER'S A DECADE BEFORE SYMPTOMS APPEAR

Summary

A blood test measuring p-tau217 biomarker levels may help predict Alzheimer's-related cognitive impairment risk a decade before symptoms appear, with very high levels associated with 78% 10-year risk of cognitive impairment. The test provides additional prognostic information beyond brain imaging and genetic testing.