Yawning is a phenomenon that has been observed in humans and animals, and, despite its prevalence, it remains poorly understood in humans. Yawning happens reflexively. When you yawn, you take in a ...

We do it when we're tired, when we're bored or when we're hungry; parachutists have been seen to do it before a jump, and research has even suggested a link between yawning and sexual arousal. But the ...

Mark A. W. Andrews, associate professor of physiology and director of the Independent Study program at the Lake Erie College of Osteopathic Medicine, provides the following explanation. Although not ...

Yawning is an involuntary action that may help regulate brain temperature, increase oxygen intake, and improve alertness. It is also contagious, linked to empathy and social bonding in both humans and ...

Stretching after waking feels so pleasant for the same reason it does for cats, but not everyone enjoys the benefits The stretching you do after waking isn’t really stretching. It is a process ...

Yawning may seem like a normal way to show that you're tired or bored, but it can sometimes tell you more about your health than you think. Sometimes yawning is normal, but yawning a lot could mean ...

Dear Dr. Gott: I am disabled with extensive nerve damage from liver failure. I have a lot of problems. Just in the past few months, I've had spells where I yawn constantly. The problem usually starts ...