THE ANTIAGING MOTION HAS RACED AHEAD AMID INTENSE DEBATES; CRITICS OF THE GRANDFATHER OF THE SPHERE, LEONARD GUARENTE, CONSIST OF FORMER PROTéGéS AND RIVALS

Leonard Guarente was 38 and previously a tenured professor at Massachusetts Institute of Technology when he decided to dedicate himself to one of the most alluring troubles in biology: how you can slow down growing old.More than three decades later, the 72-year-old Guarente is considered a grandfather from the booming longevity movement. Leading sc