Researchers argue that the long human lifespan is due in part to the contributions of older adults — ScienceDaily

In line with long-standing canon in evolutionary biology, pure choice is cruelly egocentric, favoring traits that assist promote reproductive success. This often signifies that the so-called “pressure” of choice is effectively geared up to take away dangerous mutations that seem throughout adolescence and all through the reproductive years. Nonetheless, by the age fertility ceases, the story goes that choice turns into blind to what occurs to our our bodies. After the age of menopause, our cells are extra weak to dangerous mutations. Within the overwhelming majority of animals, this often signifies that loss of life follows shortly after fertility ends.

Which places people (and a few species of whale) in a singular membership: animals that proceed to stay lengthy after their reproductive lives finish. How is it that we will stay many years in choice’s shadow?

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