Since the dawn of time mankind has had an interesting relationship with animals. In a sense, the history of modern humans are closely related to our interaction with animals. Dog's, for example, have long been considered man's best friend. Every dog owner will gladly confirm this for you. Cat's, his life in close contact with humans for thousands of years.In modern times there is much research and experimentation with the use of horses in various forms of therapy. Back in early 1900, Dame Agnes Hunt used horses in the rehabilitation of his patients in orthopedic hospital in England.