News A blood test that estimates the age of 40 cell types
Stanford researchers measured more than 7,000 blood proteins in 60,542 people to estimate the biological age of over 40 cell types. Aged cells flagged the risk of Alzheimer's, ALS, and lung cancer years ahead. The test is a research tool, and cell age is an estimate from blood proteins, not a direct measurement.
Jul 23, 2026
