- By: John R. Beard, Irene Diamond Professor of Epidemiology and Health Policy and Management, Director, International Longevity Center – USA
 
                                                - June 01, 2025
 
                                            
                                            So far, much of geroscience has focused on linking age-related processes to lifespan — how long people live. But the outcome of greater importance to most people is the quality of these years.