Shawn Messonnier, D.V.M., is a nationally recognized authority on holistic pet care and integrative medicine and is the author of the award-winning Natural Health Bible for Dogs & Cats. He is the host of the award-winning weekly radio show, "Dr. Shawn-The Natural Vet," on Martha Stewart Radio and his column, "The Holistic Pet," is featured in newspapers throughout the United States and Canada. He's also a pet expert for iVillage.com. Dr. Messonnier owns Paws and Claws Animal Hospital in Plano, Texas.