Snot is completely normal. In response to infection, the immune system produces stickier and thicker snot. “Mucus is a ...

The familiar sensation of a nosebleed can catch anyone off guard, turning an ordinary moment into a concerning situation.

"A tooth infection can kill you, but rarely," warns a Cleveland Clinic expert. Here's how to recognize the risks and how it can escalate.

Doctor's visits for flu symptoms are at a 15-year high. Why is this flu season so bad? Doctors discuss flu severity, symptoms and how to stay safe.