[TFNA]

> Well feed and even major injuries were treated well.

This is contradicted by any and all documentation on not only "indigenous tribes", but even developed countries until the age of antibiotics. Injuries were much riskier in the past than now, and no idyllic Shangri-La you fantasize about had any magic to avoid that. The food precarity of hunter-gatherer lifestyles is why so many societies adopted agriculture. Plus, infant mortality was through the roof, and risk to also mothers was high. I think you took from "Museum visits and talking with people working in academics [sic]" a misunderstanding that you wanted to hear.

That our species survived down the millennia does not mean they had maximized health, just as we today have not maximized health. But we have made greater strides in childhood IQ-relevant areas.