It seems harmless enough. You get nose to nose with your dog and talk to it as it laps at your mouth and cheeks with its tongue, or you come home from work and bring your lips to your dog’s in a ...

Turns out it’s not quite true what they say about dogs’ mouths being cleaner than ours. You love your dog, and there’s a good chance you love his kisses too. In fact, only a true dog-lover knows the ...