[emiliobumachar]

You're generally right, but missing an important detail: nutrition.

We are not smarter than the subset of our predecessors who had the privilege of developing without ever starving.

[erikpukinskis]

There is evidence that overeating can lead to cognitive impairments so I’m not sure at a population level we’re ant better off.

[rsanek]

https://en.wikipedia.org/wiki/Flynn_effect

[cma]

Hopefully a rise in atmospheric CO2 doesn't start counteracting improvements in nutrition.