Leonard Guarente was 38 and previously a tenured professor at Massachusetts Institute of Technological know-how when he chose to commit himself to Among the most alluring difficulties in biology: ways to slow down growing old. Greater than 3 many years afterwards, the 72-yr-outdated Guarente is taken into account a grandfather https://www.wsj.com/health/wellness/longevity-antiaging-leonard-guarente-business-f55643f4?mod=health_lead_story