Life extension science, also known as anti-ageing medicine is the study of slowing down the processes of aging to extend both the maximum and average lifespan. Some researchers in this area, and “life extensionists” or “longevists” (those who wish to achieve longer lives themselves), believe that future break-throughs in tissue rejuvenation with stem cells, molecular repair, and organ replacement (such as with artificial organs or xenotransplantations) will eventually enable humans […]