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 ...

The average penis is between 5.1 and 5.5 inches, with one study finding that nearly everyone falls within this range. Penis enlargement methods do exist, but many may be harmful, do not work, or only ...

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.