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Is lower intelligence the reason why Africans/blacks fail to thrive in the west on average?
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<blockquote data-quote="Coja Petrus Uscan" data-source="post: 1364949" data-attributes="member: 12967"><p>The main vector for the increase of IQ was likely man-made environments that modestly favoured more intelligent people for reproduction. It appears a society without a large welfare state and where people who are more economically successful have more children leads to something like a 0.3 IQ increase per generation.</p><p></p><p>Other than places in Africa where Semitic culture flowed down to, there was essentially no written language in Mummy Africa, very few skilled trades or sophisticated classes. There has been no precursor for Africans to become more intelligent for the most part, so they aren't.</p><p></p><p>There is also the factor of nutrition. The far eastern societies had poor nutrition, hence their small stature. Their economies were not complex, but they had trades and scholars for 1,000s of years - longer than Europe and hence their higher IQs. But with East Asians their poor nutrition was likely a bigger suppressant on IQ potential. 200 years ago the average Northern European man was 5ft 5in, due to nutrition. That likely shaved 10 or so IQ points off. So in times past the bar for professional, complicated jobs was more challenging. It puts in context some of Europe's beautiful historic cities, like Vienna. That the people living there likely had a 5 point IQ deficit. This factor was much stronger in East Asia, where nutrition was much worse.</p><p></p><p>Another factor with blacks is that they have a much higher incidence of a variant of a gene known as the warrior gene, which is strongly linked with violent behaviour. One in a thousand whites have it, while more than one in twenty blacks have it: <a href="https://en.wikipedia.org/wiki/Monoamine_oxidase_A" target="_blank">https://en.wikipedia.org/wiki/Monoamine_oxidase_A</a></p><p></p><p>This gene variant is present in something like half of street gang members.</p><p></p><p>Western societies wont deal with this, so the violence of blacks will go on.</p></blockquote><p></p>
[QUOTE="Coja Petrus Uscan, post: 1364949, member: 12967"] The main vector for the increase of IQ was likely man-made environments that modestly favoured more intelligent people for reproduction. It appears a society without a large welfare state and where people who are more economically successful have more children leads to something like a 0.3 IQ increase per generation. Other than places in Africa where Semitic culture flowed down to, there was essentially no written language in Mummy Africa, very few skilled trades or sophisticated classes. There has been no precursor for Africans to become more intelligent for the most part, so they aren't. There is also the factor of nutrition. The far eastern societies had poor nutrition, hence their small stature. Their economies were not complex, but they had trades and scholars for 1,000s of years - longer than Europe and hence their higher IQs. But with East Asians their poor nutrition was likely a bigger suppressant on IQ potential. 200 years ago the average Northern European man was 5ft 5in, due to nutrition. That likely shaved 10 or so IQ points off. So in times past the bar for professional, complicated jobs was more challenging. It puts in context some of Europe's beautiful historic cities, like Vienna. That the people living there likely had a 5 point IQ deficit. This factor was much stronger in East Asia, where nutrition was much worse. Another factor with blacks is that they have a much higher incidence of a variant of a gene known as the warrior gene, which is strongly linked with violent behaviour. One in a thousand whites have it, while more than one in twenty blacks have it: [URL]https://en.wikipedia.org/wiki/Monoamine_oxidase_A[/URL] This gene variant is present in something like half of street gang members. Western societies wont deal with this, so the violence of blacks will go on. [/QUOTE]
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