Why do dogs lick?

Why do dogs lick you? And why do dogs lick themselves? And is there ever a time you should be concerned about your dog's licking behavior? Dogs experience the world in different ways than humans, and one way is through their tongues! We also tackle the age-old rumor... is a dog's mouth really the cleanest in the world?

We've all been there... your dog is vomiting and you're wondering, should I go to the vet? But why do dogs throw up in the first place? And what will a veterinarian do to assess the situation? And most importantly, when is it okay to wait it out, and when do you need to head to an urgent care vet clinic? We've got answers!