 Your listeners who have dogs know that their dog is right for them, and whether that's a short-lived, large-breed dog or a small, long-lived dog, whatever fits is right. But it's true that inbreeding increases problems for dogs. That's Daniel Promislo, co-director and principal researcher at the Dog Aging Project, also speaking with Selene Holliwa. She's the CEO and founder of biotech company Loyal.