Golden retrievers are said to be an intelligent breed, yet social media videos often suggest otherwise. Take Nina, for ...

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.

Take Nina, for example, who has a unique way of chasing her own tail ... owner's leg—with her tail in her mouth. Unwilling to let go of it, even when he closes his legs, making it impossible ...