[Source:  NPR.org]
Those of us who own pets know they make us happy. But a growing body of scientific research is showing that our pets can also make us healthy, or healthier.
That helps explain the increasing use of animals — dogs and cats mostly, but also birds, fish, and even horses — in settings ranging from hospitals and nursing homes to schools, jails and mental institutions.
Take Viola, or Vi for short. The retired guide dog is the resident canine at the Children’s Inn on the campus of the National Institutes of Health in Bethesda, Maryland. The Inn is where families stay when their children are undergoing experimental therapies at NIH.
Vi, a chunky yellow Labrador retriever with a perpetually wagging tail, greets families as they come downstairs in the morning, as they return from treatment in the afternoon, and can even be “checked out” for a walk around the bucolic NIH grounds.
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