Leonard Guarente was 38 and already a tenured professor at Massachusetts Institute of Technological innovation when he chose to commit himself to Among the most alluring difficulties in biology: how you can decelerate growing older. Over 3 decades later, the 72-calendar year-outdated Guarente is taken into account a grandfather from https://www.wsj.com/health/wellness/longevity-antiaging-leonard-guarente-business-f55643f4?mod=health_lead_story