A new book looks at the health links between animals and humans. June 12, 2012— -- intro: Dr. Barbara Natterson-Horowitz is a sort of modern day Dr. Dolittle. For the past six years, the UCLA ...

In an exclusive interview with PEOPLE, animal communicator Danielle MacKinnon opens up about how her passion for animals led her to become a pet psychic. While MacKinnon says she's always had a ...