A study of more than 25,000 U.S. dogs and 238 breeds has linked dog size to varying patterns of risk for health conditions over the course of a dog’s lifespan. Yunbi Nam of the University of ...

A study of more than 25,000 U.S. dogs and 238 breeds has linked dog size to varying patterns of risk for health conditions over the course of a dog's lifespan. Yunbi Nam of the University of ...

Researchers at the University of Washington are hoping to answer that question. NPR's Scott Simon talks to biology and pathology professor Daniel... Why Do Small Dogs Live Longer Than Big Dogs? SCOTT ...

If you’ve ever noticed your friend’s tiny Chihuahua still bouncing around well into its teens while your neighbor’s Great Dane started slowing down after just a few years, you’re not imagining things.