If you hear the term “longevity” and think only about living longer, you’re missing half the point.
“What we actually want is both more years and more of those years lived in good health,” says Dr. David Barzilai, a longevity physician and the medical editor of Harvard Health Publishing’s Special Health Report Pathways to Longevity. “Almost no one wants additional years of frailty and dependence; they want more years of feeling well, moving freely, thinking clearly, and staying engaged with

