DON'T GO THERE. Physiology has very little to do with the cultural issues. Brains is the sameName calling is the lowest form of discourse. You specialize in it because you are unable to debate rationally.
Race realism has been denounced. It has never been "debunked." The different races differ significantly in average intelligence, as well as criminal and sexual behavior. They also differ in average brain size and testosterone levels.
High brain size correlates positively with high intelligence. High testosterone correlates positively with high crime crime rates. This indicates that non cosmetic racial differences are genetically caused.
across the board-----CULTURAL influences vary