Leonard Guarente was 38 and presently a tenured professor at Massachusetts Institute of Technology when he decided to commit himself to one of the most alluring difficulties in biology: how to slow down ageing. In excess of a few decades later, the seventy two-year-aged Guarente is considered a grandfather in https://www.wsj.com/health/wellness/longevity-antiaging-leonard-guarente-business-f55643f4?mod=health_lead_story