Is it true that we yawn when our brains are deprived of oxygen? Most of us can feel a yawn coming on. The muscles in our jaw begin to tighten, our nostrils might flare, and our eyes might tear up as ...

Beyond mere tiredness, frequent yawning might signal serious health concerns. Research links excessive yawning to ...

Q I bought a 30-minute resistance-cord video. I really like it, but the weird thing is that at the beginning of my routine, I start yawning a great deal. At first I thought I was just tired, but it ...

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 ...