Leonard Guarente was 38 and presently a tenured professor at Massachusetts Institute of Know-how when he made a decision to devote himself to Probably the most alluring complications in biology: the best way to slow down growing older. Over three many years later, the 72-year-outdated Guarente is considered a grandfather https://www.wsj.com/health/wellness/longevity-antiaging-leonard-guarente-business-f55643f4?mod=health_lead_story