Need a pick-me-up today? Watch a video of a smiling dog – it should do the trick. Any dog can smile, and according to veterinary behavior specialist Dr. Lore Haug, some breeds are even genetically ...

Dogs always have a way of making us smile, but one pup named Grey has turned the tables by mastering the art of smiling himself. In an Instagram video shared by @greythedalmatian_, the Dalmatian dog’s ...

When the dog feels happiness, the amygdala triggers an increase in hormones, including oxytocin, dopamine, and serotonin.