Not upset by the knowledge that I have Homo Neanderthalensis genes in the slightest.
Nor do I accept that the heavy brow ridge & highly sloped forehead
actually indicate low intelligence (it absolutely has no bearing, whatsoever).
What does ... niggle ... is that it was claims like this that Hitler & the Nazis used to claim that Slavs (Czechs, Slovaks, Poles, Yugoslavs, Ukrainians, Russians) were sub-human, ignoring the fact that the incidence of heavy brow ridges & highly sloped foreheads is actually relatively rare, occurs almost equally in all Euro/Scandinavian "ethnic" groups & has, as said above, zero indication of the actual intelligence of the person with these features.
What rankles is that American scientists used this type of phrenological myth as part of their anti-Soviet propaganda for a while post-WW2 & it seems to have stuck as an instinctive, thoughtless cliche in the minds of otherwise really nice people.
Phew! OK, rant over.