The real revelation, however, came from the men. Men considered a larger penis as an indicator of a rival with both greater ...

“While the human penis functions primarily to transfer sperm, our result suggests its unusual large size evolved as a sexual ornament to attract females rather than purely as a badge of status to ...

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 go ...

This has led many of us to assume that people with larger penises are automatically skilled in bed. Research even suggests ...

A mouse study suggests estrogen may increase gut pain by activating specific cells, offering hints to why IBS is more common ...

Perhaps more than any other group, they reveal the depth of the moral crisis that confronts young men today. Although many ...