> We know since 1993 with the discovery of the daf-2 gene (a nematode insulin receptor) that genetics can drastically affect longevity. We've known that since

> We know since 1993 with the discovery of the daf-2 gene (a nematode insulin receptor) that genetics can drastically affect longevity. We've known that since we observed that humans can easily live more than 70 years while cats tend not to go past 20. And presumably well before then.