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.

Editor’s note: This article has been updated to include more information about when the data was collected and where it was originally reported. It’s a stiff competition. A team of researchers alleged ...

Penis size has been linked to infertility in a study. Scientists at the University of Utah, Salt Lake City, set out to answer whether penis size affects a man's fertility, and found that men with ...

Some good news, guys: A new analysis of penis sizes will help reassure most of you that you're normal, researchers say. Many males worry about their penis size, even when there's no cause for concern.