Around age 100, the human body's immune system may make a turn that helps address the common ailments of aging, according to researchers in Japan who study supercentenarians who live to be 110+.
Copyright 2026 NPR
Pien Huang
Pien Huang is a correspondent on the Science desk. She was NPR's first Reflect America Fellow, working with shows, desks and podcasts to bring more diverse voices to air and online.