The Human Brain Has been Getting Smaller Since the Stone Age

Yep, brains are shrinking.

Brains also have supply chain issues – blood flows where it can, and neurons must make do with what they get

If Modern Humans Are So Smart, Why Are Our Brains Shrinkin…

Why did human brains decrease in size 3,000 years ago? - Quora

How Humans Evolved Supersize Brains

Stone Age - Wikipedia

How we became sapiens - Patrick Holford

David Sinclair's new Lifespan podcast - #20 by Rainer - Health

If Modern Humans Are So Smart, Why Are Our Brains Shrinking?

Human evolution - Brain Size, Adaptations, Fossils

UNLV Research: No, the Human Brain Did Not Shrink 3,000 Years Ago