Leonard Guarente was 38 and already a tenured professor at Massachusetts Institute of Know-how when he decided to dedicate himself to Among the most alluring complications in biology: ways to slow down getting old. In excess of three a long time afterwards, the 72-12 months-old Guarente is considered a grandfather https://www.wsj.com/health/wellness/longevity-antiaging-leonard-guarente-business-f55643f4?mod=health_lead_story