http://en.wikipedia.org/wiki/Height_and_intelligenceStudies of developing adolescents and young adults indicate a small positive correlation between human IQ and height within national populations. The association is supported by studies linking height at eighteen with subsequent scholarly performance.
The correlation between the two factors is weak, although statistically significant.
The reasons for the association between height and intelligence remain unclear, but possible explanations include that height may be a marker of nutritional status, prenatal maternal stress, or general mental and physical health during development. As brain size correlates 0.40 with IQ, height/IQ correlation could be merely a side product of taller people having larger heads and thus larger brains.




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