
In 2007, researchers were on a mission to understand why some people become “SuperAgers“—those who live to their 80s without major chronic conditions and have the brain health of someone much younger. Is it genetics? Lifestyle? Luck?
Nearly two decades later, the team was surprised. “We didn’t find these gene variants that we thought we might find,” Dr. Eric Topol, a cardiologist and founder of the Scripps Research Translational Institute, which conducted the study, tells Fortune.