Texas Senescence (biology of ageing)Senescence Antagonistic pleiotropy hypothesis Catabiosis DNA damage theory of aging Evolution of ageing Free-radical theory of aging Hayflick limit Immunosenescence Negligible senescence Network theory of aging Plant senescence Programmed cell death Reliability theory of aging and longevity Selection shadow Stem cell theory of aging Related topics Adaptive mutation Ageing Biological immortality CGK733 fraud Death DNA repair Indefinite lifespan Life extension List of longest-living organisms Maximum life span Regeneration (biology) Rejuvenation (aging) Strategies for engineered negligible senescence