How is a dog like a cup of yogurt? Well, canines might also have a "probiotic effect" on humans, researcher Kim Kelly explains in a post from the University of Arizona.
Science suggests owning a dog can be healthy—for instance, kids in families with dogs generally have lower allergy and asthma rates, the San Diego Union-Tribune reports.
Also read: The O’Reilly factor that mattered? Hypocrisy