Can Human Growth Hormone Change the Size of Your Dick?

Well, maybe if you’re a child with a hormonal disorder…

Why Your Penis Is a Different Color Than the Rest of Your Body

Could be puberty, could be cancer

‘Girls Gone Wild’ Commercials Threw a Million Millennials Into Puberty

Before there was internet porn, these ads during late-night reruns of ‘South Park’ mesmerized a generation of teens. How will they reckon with GGW’s toxic legacy?

Why Do Guys Always Have to Touch the Top of the Doorframe?

The universal male mystery, explained