Leonard Guarente was 38 and currently a tenured professor at Massachusetts Institute of Technological innovation when he decided to dedicate himself to one of the most alluring troubles in biology: how you can slow down getting old. Over a few many years later, the 72-year-aged Guarente is considered a grandfather https://www.wsj.com/health/wellness/longevity-antiaging-leonard-guarente-business-f55643f4?mod=health_lead_story