02 July 2010

Disease, Not So Intelligent

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"...the worldwide distribution of cognitive ability is determined in part by variation in the intensity of infectious diseases. From an energetics standpoint, a developing human will have difficulty building a brain and fighting off infectious diseases at the same time, as both are very metabolically costly tasks...
Infectious disease remains the most powerful predictor of average national IQ when temperature, distance from Africa, gross domestic product per capita and several measures of education are controlled for. These findings suggest that the Flynn effect may be caused in part by the decrease in the intensity of infectious diseases as nations develop."


Citations

"Disease and Intelligence".  The Economist. Web. 02 July 2010. .

"Parasite Prevalence and the Worldwide Distribution of Cognitive Ability — Proceedings B." Christopher Eppig*,Corey L. Fincher and Randy Thornhill. Proceedings of the Royal Society B: Biological Sciences. Web. 02 July 2010. . 

 

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