12 Things Every Man Should Know About His Balls

Let’s be honest, testicles are no one’s favorite part of the male anatomy. They’re not exactly attractive, for one, and they have a particularly awful habit of causing incredible pain when injured. But the balls are crucial to sexual health, fertility, and are a place that is known to get cancer. With the help of  Dr. James Smith, director of reproductive health at UC San Francisco, we put together a crash course on what balls are, what they do, how you should take care of them, and dispelled some of the pervasive myths about them.