>>212738037>black people disproportionately get sickle-cell disease? No. Only black people (sub saharan africans) get sickle cell.
White people are prone to sunburn but have better vitamin D absorption and their bodies regulate body temperature in the extremities to better resist frost bite.
Black people have wider noses for efficient air intake during respiration but the long narrow nose of Europeans increases friction on inhale and warms the air more before it reaches the lungs.
You know. Measurable differences between different genetic stocks of humanity as a consequence of separate populations developing different adaptions for survival.
Our blood is different, our skin is different, our nasal/skull structure is different.
You think our brains are identical? The most complex organ in the body is less altered than the largest organ? Regional adaptions don't impact cognition or temperament? Really?