Aggression As A Mental Disorder In Canines People across the world keep dogs as pets. These dogs are usually a big part of their owners lives and often grow up to truly be, "man's best friend,". What, then, can be done for a dog with behavior problems? Through recent research it has been established that dogs, like many humans, do suffer from mental disorders. There is however, a variety of treatments available and a complete cure is often achieved. Dr. Nicholas Dodman, in his book, The Dog That Loved Too Much, says that, "Aggression is the most common behavior problem reported in dogs,"(10)