http://www.nbcnews.com/id/51469938/n.../#.UWcFw0qPDkG
A study released today in the journal Proceedings of the National Academy of Sciences (PNAS) offers an explanation: Women are attracted to penises, and the bigger the better.
“Penis size does affect attractiveness,” lead author Brian Mautz, a University of Ottawa post-doctoral researcher said in an NBCNews.com interview.