But how much does breed shape a dog's health and behavior?
![But how much does breed shape a dog's health and behavior?](https://static01.nyt.com/images/2025/02/09/science/09DOG-BREEDS-Promo-2/09DOG-BREEDS-top-05-facebookJumbo.jpg)
The result is that many modern breeds suffer from ailments that dog lovers never would have deliberately selected for. Labrador retrievers are prone to a degenerative eye disease known as progressive retinal atrophy, while Cavalier King Charles spani ...Read more