Chattering teeth – that rapid, sometimes noisy clack of your upper and lower teeth – is a minor, startling symptom that can ...

Have you ever been playing with your dog only to notice that their teeth are visibly — and audibly — chattering? Teeth chattering in dogs is a pretty common behavior, although it can be unsettling.

For kids and adults alike, and all ghosts and ghouls, a long-awaited celebration filled with drinking warm apple cider, pumpkin carving, trick-or-treating and binge-watching scary movies is fast ...