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

(Bloomberg) -- The polar vortex is about to unleash an Arctic chill across much of the US this weekend, leaving football fans shivering in the Midwest and inflicting subzero temperatures on Iowa ...

When a child walks through the door early from the park, shaking so hard their teeth chatter, every parent's brain jumps to the worst-case scenario. The body is screaming that something is wrong, but ...