News, Men developed thicker foreheads and jaws due to fighting over women.

[JD59]

Winning a mate used to depend only on physical prowess and men with the strongest jawline and thickest skulls were better able to survive onslaughts from love rivals.

That meant that over time all men developed thicker bones in the jaws, around the eyes and on the forehead than women.

Men developed thicker foreheads and jaws due to fighting over women - Telegraph

[Rickers]

Since men still engage in fighting over women does this mean that in the future men will be more "boneheaded" than we are today ?

[case44]

It might also mean that they are getting a big head over this whole thing.

[Cunucu Beach]

Gives a whole new meaning to "numb skull".

[GloryB]

Well....the 'thicker bone' usually does win.

[Chatteress]

I always knew men were thick-headed but this confirms my feelings.

[_redbird_]

Klingon's rule, dude!

[Nomadicus]

And then the brainy guys waited for the brawny guys to kill each other off a left town with the spoils. I mean women do like spoiling...