Throughout history , humans have relied on animals as a way of improving mental health . Animal therapy has grown in popularity in Europe in recent years . Some believe it can help depression , bipolar disorder and other issues . Hard evidence remains scarce , largely anecdotal .
Throughout history , humans have relied on animals as a way of improving mental health . Equine therapy has grown in popularity in Britain in recent years . Psychoanalysts claim it can help depression , bipolar disorder and anger issues . Hard evidence remains scarce , largely anecdotal .