Theories of Ageing

Question 1

What are the major 14 theories about the underlying causes of cell ageing and age-related causes of death, each with its own school of proponents?

Answer 1

The theories and major causes of age-related disease and death are: 
Oxidative Damage
Cell DNA Damage
Mitochondrial Damage
Tissue Glycation
Lipofuscin Accumulation
Chronic Inflammation
Immune System Compromise
Neurological Degeneration
Declines in Hormone Levels
Susceptibility to Cancers
Susceptibility to Cardiovascular Disease
Telomere Shortening and Damage
Programmed Epigenomic Changes
Stem Cell Supply Chain Breakdown