Dr Zazie Todd: How pets benefit our brains

Dr Zazie Todd, Sunday Morning's go-to expert on both cats and dogs joins us once again with more scientific, pragmatic and joyful ways to lead happy lives with our pets. She's the award-winning author of Wag: The Science of Making Your Dog Happy and Purr: The Science of Making Your Cat Happy. She's the creator of the popular blog, Companion Animal Psychology, and she's currently putting the finishing touches to a book on fear and anxiety in dogs, due out this year.