What makes us yawn, and why is it that when you see someone else yawn, you alway!
Question:
What makes us yawn, and why is it that when you see someone else yawn, you always end up yawning yourself?
Is there a medical reason for yawning
Answers:
It is lack of oxygen in your body so you yawn to get that little more you need also when someone else yawn's you follow suit as your body feel's they are stealing your oxygen!