Life Span Extension: Consequences and Open Questions

actuarial age-related aging process aging rate allow the drug animals antioxidants average biological age biomarkers of aging Birren brain British Medical Journal Callahan caloric restriction candidate biomarker cardiac arrest cardiopulmonary resuscitation cells cerebral cortex changes China chronological age concept construct validity content validity correlation cortex criteria death decline definition demographic developed diet discussion disease doctor effect elderly ethical ethoxyquin euthanasia exist expectancy extended factor Figure free radicals functional future geriatric Gerontology Haug human increase interests ipso facto model issue Journal of Gerontology lifespan longevity Ludwig maximum life span Mean Number measures Medicine metazoa mice mortality neurons Nutrition old age older onset of pathology organism patients performance physiological population aging post facto model predictive prolongation protein question rate of aging rats result resuscitation retirement Sacher senescence significant slowing aging social society species survival treatment validating biomarkers Weindruch