Human penis size is the measured length and width of the human penis.

The penis is a reproductive organ, technically an intromittent organ, and for placental mammals, additionally serves as the external organ of urination. The penis is generally found on mammals and rep...

Penis enlargement procedures (sometimes euphemistically referred to as male enhancement procedures in spam email and television advertisements) are techniques alleged to make the human penis larger in...

Study suggests that penis length influences attractiveness about as much as height, a trait with a well-documented influence on male reproductive success.

Setting aside the question of whether plastics (or obesity or carbonated corn syrup-laced beverages or the presence of step-dads or hormones in beef or any other factor) are behind changes in our patt...

A web portal featuring sexuality resources: articles, websites, books. The home page features a selection of recent and important articles. A search feature, subject index, and other research tools ma...