Q: I have always liked how yawning feels and wondered what it's for. I just read there is new information about how yawning affects your brain. Do you know anything about that? Also, do we know ...

Yawning is contagious, not just among humans but also animals. Contagious yawning is thought to be linked to mirror neurons-cells in the brain that fire both when we do something and when we see ...

Yawning isn’t just a deep breath indicating tiredness or boredom, but a process that reorganises the flow of fluids out of the brain, according to MRI scans that also suggest we each yawn in a ...