Leonard Guarente was 38 and presently a tenured professor at Massachusetts Institute of Technological innovation when he decided to commit himself to One of the more alluring complications in biology: how to decelerate growing older. Over three decades later on, the 72-yr-old Guarente is considered a grandfather of your booming https://www.wsj.com/health/wellness/longevity-antiaging-leonard-guarente-business-f55643f4?mod=health_lead_story