Some truth, some bullshit.
This part is very important:
Quote:
The co-authors conclude their book by recommending that
"The rich countries' economic aid programs for the poor countries should be continued and some of these should be directed at attempting to increase the intelligence levels of the populations of the poorer countries by improvements in nutrition and the like."
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Low scores on intelligence tests in third world countries are often caused by malnutrition at early ages, or a lack of education (mental stimulation is essential in developing your physical brain, as well as your mind).