[VadeRetro]

You're lapsing into medvedian strawmanning. "By every precept of Darwinism, the skies should be full of feral chickens."

A Good Web Page on Senescence.

[Dataman]

I made an exception to my don't-do-links rule and took a look. I read it twice just to be sure of my response. I saw an outline with theoretics but there was no credible or supported explanation for why we get old.