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.

This is the long and short of it. A female doctor says most people overestimate the size of the average penis, claiming most men barely measure more than five inches even when they’re rock hard. Dr.

You can think of plenty of words for "penis." You really don't need us to list them here. They come up − a lot. Penises are ever-present in pop culture and are the punchlines of jokes, particularly ...

Studies of men from around the world show that the length of the erect penis has grown 24% over the last 30 years. That sounds like it would be good news but it concerns some male fertility experts.