[jstx1]

> Say that if everyone voluntarily waited a bit longer to reproduce then after a hundred generations human life expectancy would increase by 25 years. Would we be morally obligated to do that?

I don't get this. Why is it true?

[lentil_soup]

I think the general idea is people carrying genes that would kill them early on in their life wouldn't get a chance to pass those genes, effectively eradicating them. So it follows that the average lifespan would increase.

Richard Dawkins talks briefly about this in his Selfish Gene book

[Metacelsus]

It likely isn't true, but it's a thought experiment.

[jstx1]

Oh right, the hypothetical aspect went over my head.