Research breaks down average penis size, what influences growth, and what studies say about size and sexual satisfaction.

When it comes to penises, we seem unable to escape the idea that “bigger is better”. Popular culture and pornography constantly present us with unrealistic standards – that penises should be long, ...

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.

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 ...