Good point! So, in reality, it isn't the dog, it's what you do when you're a dog owner. I think that's why they phrased the paper with "dog ownership", implying

Good point! So, in reality, it isn't the dog, it's what you do when you're a dog owner. I think that's why they phrased the paper with "dog ownership", implying that the main condition for improved health isn't the dog itself, but your routines as owner of one.