http://secretstodogtraining.org/aggressive-dog-behavior-caused-by-pain - It is of concern, to note, that very few dog owners realize that dogs tend to become dangerously aggressive, if they suffer from constant aches and pains, which rather fortunately, could be alleviated if the dog sleeps on a quality orthopedic bed. Instead of contemplating the rigors of, aggressive dog training, get your dog an orthopedic dog bed, and watch his temperament and general disposition better.