You might also see the great short introduction to the conservative scientific view on aging here: http://senescence.info/aging_theories.html http://senescence

You might also see the great short introduction to the conservative scientific view on aging here: http://senescence.info/aging_theories.html http://senescence.info/aging_theories.html You'll also find a good introduction to the modern "aging is damage" viewpoint in the SENS distillation of consensus positions from various per-disease research fields: http://sens.org/research/introduction-to-sens-research http://sens.org/research/introduction-to-sens-research That is one synthesis of which damage is primary and important. Another is the Hallmarks of Aging: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3836174/ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3836174/