Leonard Guarente was 38 and presently a tenured professor at Massachusetts Institute of Technological know-how when he chose to commit himself to The most alluring problems in biology: tips on how to decelerate ageing. Much more than three decades later, the 72-calendar year-old Guarente is considered a grandfather on the https://www.wsj.com/health/wellness/longevity-antiaging-leonard-guarente-business-f55643f4?mod=health_lead_story