Funny[0]. And cool. But I don’t think they mean:

> Heritability of human lifespan is about 50% when extrinsic mortality is adjusted to be closer to modern levels.

I think by “accounting for confounding factors” they mean setting extrinsic mortality to the equivalent of zero contribution. So you’d expect it to be the asymptote left side.

0: especially enjoyed talking about typos and then writing “doing to go”. I like little jokes like that.

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