Leonard Guarente was 38 and already a tenured professor at Massachusetts Institute of Know-how when he chose to commit himself to Among the most alluring complications in biology: the way to slow down growing older. A lot more than a few decades afterwards, the 72-year-previous Guarente is considered a grandfather https://www.wsj.com/health/wellness/longevity-antiaging-leonard-guarente-business-f55643f4?mod=health_lead_story