Yes, penis size is genetic, but it can still vary a lot within families. Genetics, hormones, and early nutrition can influence penis size. Race and masturbation do not affect penis size, despite ...

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.

If you have ever been concerned about your penis size, you're not alone. The size of the male sex organ has long been thought to be an indicator of a person's testosterone levels and sexual abilities.