A paper's claim about racial differences in penis size are unfounded. and are part of a larger research agenda based on a belief in "race.
Men: you know what you're working with - but how do you measure up with the rest of the planet? If you're a Brit, you might be disappointed to.
Bigger is better—at least when it comes to a woman's penis preferences, a new study says. The findings suggest that female choice may have.