The Dog Aging Project is working to help dogs live longer, healthier lives. The research results may help humans age well, ...

And get this: Not only is the Chihuahua’s life expectancy long, but the breed is also known for having the biggest brain in the dog world. “There’s been research that shows Chihuahuas have the largest ...

Can old dogs teach us new tricks for how to live longer, healthier lives? A nationwide project searches for answers.