Hacker News Reader

It's pretty intuitive to also consider limits on lifespan as a function of conserving resources on a family or tribal level. At a certain point, the utility a population could gain from labor or knowledge of older members is outweighed by the burden of taking care of them and providing for them.

View on HN

Yes but from what i recall, evolution doesn't work like that at the level of population.

That is a good point that it is not like many other factors that affect evolution. I think there could be an evolutionary impact if the high cost of resources for one tribe, in tribe versus tribe competition, or a family, in family versus family competition, put the tribe or family at a disadvantage.

Reply on news.ycombinator.com