Some dogs love playing with toys so intensely they can’t stop—offering scientists a window into behavioral addictions.

There is not a dog on earth that doesn’t love to get down with a good game of fetch or tug-of-war. If your frisky little buddy has destroyed all of his toys, as playful pups often do, you can put ...

Some dogs show behaviors towards their toys that resemble behavioral addictions in humans, such as gambling and internet gaming, according to a study of 105 dogs published in Scientific Reports.