Leonard Guarente was 38 and currently a tenured professor at Massachusetts Institute of Know-how when he chose to devote himself to one of the most alluring complications in biology: ways to slow down aging. In excess of three a long time later, the 72-calendar year-aged Guarente is considered a grandfather https://www.wsj.com/health/wellness/longevity-antiaging-leonard-guarente-business-f55643f4?mod=health_lead_story