“Yawning often occurs when we’re tired – likely as a mechanism to increase oxygen intake and regulate brain temperature,” explains Dr Ann Nainan, a GP and founder of The Travelling Doctor.

Cue the yawn. The yawn is so much more than a signal of how tired we are. It’s also a symptom of boredom, an expression of rebellion, a facial workout, and an utterly contagious bodily function ...

Son Yeon-jae, a former member of the national rhythmic gymnastics team, is in the midst of a parenting trip. On the 16th, Son ...