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Hoffman et al provided an interesting article on the underlying mechanism of aging. This was a clearly written and strong argument that aging is a matter of physics not biology.

This post explores the age distribution of a population (in equilibrium) with a constant hazard (age independent of mortality).

In the following, a population of 1000 “individuals” all 1 years old. The time evolution individuals are removed from the population and replaced by 1 year olds who then age. 100 cycles are shown. The red line is equilibrium distribution.

This is not the human situation as the author remarks. We are fortunate to have repair mechanisms that protect us for as long as they do.


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