A GP explains the main reasons why we yawn – including the factors that can lead to excessive yawning (apart from tiredness). Welcome back to Just Curious, Strong Women’s weekly series ...

We’ve all been there: it’s about half an hour after lunch, your sandwich has just about hit your belly, and 5pm is looking an awfully long way off. Cue the yawn. The yawn is so much more than ...

Yawning is normal when tired, but when it happens excessively, even when well-rested, it might signal a zinc deficiency. Zinc is critical for enzyme function, immune health, and neurological balance.