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Men's Weekly

Why are human penises so large? New evolutionary study finds two main reasons

  • Written by Upama Aich, Forrest Research Fellow, Centre for Evolutionary Biology, The University of Western Australia
Why are human penises so large? New evolutionary study finds two main reasonsRock formations in Love Valley, Cappadocia, Turkey.Nevit Dilmen/Wikimedia Commons, CC BY

“Size matters” sounds like a tabloid cliché, but for evolutionary biologists the size of the human penis is truly a puzzle.

Compared to other great apes, such as chimpanzees and gorillas, the human penis is longer and thicker than expected for...

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