Italians come out on top in penis study
Description of the video
The inexact science of penis measurement. There is no evidence relating testes size to sperm competition among human races, perhaps because nobody has looked for it. Age was controlled for so this pretty much seals the deal. December 3, at 9: Penis size may be affected by their exposure to testosterone in the womb during fetal development. It means that you gain better insight Genetic studies only found minimal correlations between some gene variants and educational attainment, not IQ. Africans are a long-line of meat-eaters, right?
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