NYT
Blood Tests to Predict Alzheimer’s Are Causing Confusion and Distress
Wednesday, August 12, 2026
Blood tests that detect biomarkers associated with Alzheimer's disease are available to patients, though they do not diagnose the disease or guarantee its development. The tests measure levels of proteins such as phosphorylated tau and amyloid-beta in the bloodstream. Some patients have obtained the tests despite uncertainty about what the results mean for their individual health outcomes.
