She explains, “Happy tail syndrome shows an irony for both dogs and their owners. The behavior that expresses a dog’s joy becomes a source of pain and potential long-term health complications.

The Science Behind Tail Communication Animals evolved to communicate without words, and tail movements are a vital part of ...

An curved arrow pointing right. A dog chasing its tail may be a sign of a direr issue. Like humans, dogs can suffer from a form of obsessive-compulsive disorder, called canine compulsive disorder.