The truth is that we don't really know. There's no peer-reviewed research on the subject to shed light on the precise biological underpinnings of this phenomenon. But from what scientists do know about the bladder and its relationship with You do not have permission to view the full content of this post.Log in or register now., they've pieced together some possible explanations for why we shiver when we pee.
These center on two main ideas: It's caused either by the sensation of the drop in temperature as the warm pee leaves your body or by a confusion between signals in the autonomic nervous system (ANS).