Enhanced stress-induced senescence-response may increase species lifespan

Cellular senescence is a biological phenomenon that has received many interpretations since its original description by Hayflick and Moorhead in 1961. A hypothesis proposed over 40 years ago is now generally accepted: i.e. that cellular senescence is a regulated cellular program. For the majority of forms of senescence, the senescence program seems to be induced due to the prolonged presence of DNA damage [1]...