The evolutionary significance of penis size has been a topic for abundant speculation, often packaged with the myth that the human phallus is far bigger than in other primates. However, the human ...

Sometimes it pays to be average. A recent survey of 800 heterosexual women has revealed the preferred penis size for a partner — and it’s good news for fellas fearing their member mightn’t measure up.

Size of the human vagina In a rare discussion of female dimensions, in 2005 Jillian Lloyd and colleagues reported an average vagina length of just under four inches for 50 women, with extremes of ...

New data has finally put to bed the age-old debate: Does size really matter? The controversial topic has long caused a divide among men and women, but researchers have just released stats that prove ...