Leonard Guarente was 38 and already a tenured professor at Massachusetts Institute of Engineering when he decided to devote himself to one of the most alluring difficulties in biology: ways to slow down growing older. A lot more than a few many years later, the 72-yr-aged Guarente is considered a https://www.wsj.com/health/wellness/longevity-antiaging-leonard-guarente-business-f55643f4?mod=health_lead_story