dogs

Sadie, a black, Australian labradoodle, is 7 years old. The idea that she's 49 in human years isn't right. Researchers now say she's closer to 62. Peter Breslow/NPR hide caption

Chubbs, right, a golden retriever and his pal Louie, left, a French bulldog, greet their friend at a small dog park in Chevy Chase, Md. Bill O'Leary/The Washington Post/Getty Images hide caption

THC, a key psychoactive ingredient in marijuana, is toxic to dogs, veterinarians warn. So keeping dogs away from discarded joints, edible marijuana or drug-tainted poop is important. Hillary Kladke/Getty Images hide caption

Hal Herzog, a professor of psychology at Western Carolina University, says the more we attribute humanlike qualities to animals, the more ethically problematic it may be to keep them as pets. Angela Hsieh/NPR hide caption

A border collie jumps to catch a flying disc during a competition. New research suggests that dog stress mirrors owner stress, especially in dogs and humans who compete together. Bela Szandelszky/AP hide caption

Daisy, the only dog Scott Simon's kids will get, runs on the beach in France. Elise Simon hide caption

For most of us, the benefits of a walk greatly outweigh the risks, doctors say. Get off the couch now. Elena Bandurka/EyeEm/Getty Images hide caption