“Have you ever wondered what it’d be like to be impervious to pain? As a martial artist, it’d certainly have its perks. It’s the sort of superhuman power that belongs in comic books. Amazingly for some people it is a reality.
Congenital Insensitivity to Pain with Anhidrosis CIPA is a rare condition in which children are born without the ability to sense pain or extremes in temperature. They are normal in every other sense. They can still feel other sensations and touch from normal body-to-body contact. But these people simply can’t feel pain and never will. They can hurt themselves in all ways imaginable and may not even know it. And while this might all sound great, I’d think twice before wishing for this kind of ‘invincibility’.”