Ever noticed how one yawn can trigger many? Science reveals how your brain copies others, why yawns spread so easily, and what this curious habit says about humans.

Dr. Anastasia Agaeva indicates that many believe that yawning is due to a lack of oxygen in the body. How true is this belief ...

Doctors say frequent yawning can indicate deeper health issues. If you’re a chronic, compulsive yawner then don’t ignore it ...

From a baby to an adult, and even animals, yawning is one of those things that most of us do multiple times a day, especially ...

Ever notice how you automatically yawn when someone else does it? That involuntary mouth-stretching moment isn’t just your brain being lazy. It’s actually broadcasting something pretty revealing about ...

I read recently an explanation for yawning that is plainly wrong. The same idea has surfaced regularly over the years. Any idea, good or bad, is hard to kill. Yawning by this account is performed in ...

Let's start at the beginning. Who yawns? Everybody. Not just people, but cats, dogs and fish do, too! What is a yawn? It is an involuntary action during which you open your mouth and breathe deeply ...

Open your mouth wide, stretch the muscles of your jaw and upper body, take a slow breath in, and then exhale quickly. What have you done? You have yawned. Many animals, including humans, yawn. They do ...

Experts discuss the mysteries of yawning at first ever international conference. —LONDON, June 28, 2010 -- For two days last week, they came to Paris. Over two dozen experts in the field of ...