7 Facts You Didn’t Know About Your Penis PENIS FACT No. 1 An enlarged prostate gland can cause both erectile dysfunction and premature ejaculation. If you have an unexplained case of either, your doctor’s looking forward to checking your prostate. Even if you’re not. « Previous Continue » DeWayne Rogers I write. I create. I take photos. In my spare time, I'm also a part-time super-hero. Go figure.