Helsinki, Mörsky. 3.11.2005.
Gradual fonctional decline
Death from ageing (degenerating process) or from other reasons: immortality not a practical issue
Genetically programmed? no
No advantage for the species in individuals not to age
What happens after reproduction is irrelevant for the species.
Repairing damage, efficiency
Cancer, cell division
Diets help to span life time in mammals and other organisms
and even yeasts.
Insuline -- growth
Stress -- food molecules broken by oxygen -- toxic by-products
Mitochondrial DNA. Only from the mother.