Why do some cats and dogs practically melt with joy when they get a good head scratch? The answer is different for Fluffy than it is for Fido, although they do share a few reasons for why they sink into complete bliss whenever their furry little heads are massaged. For instance, petting a cat or a dog on the head gives the animal attention, which it might crave, said Dr. Nicholas Dodman, a professor emeritus at the Cummings School of Veterinary Medicine at Tufts University. Moreover, it’s difficult for cats and dogs to touch the tops of their heads with […]