Why does yawning cause watery eyes?

Summary

The article title, "Why does yawning cause watery eyes?", suggests a discussion on a common physiological phenomenon. It would likely explain the mechanism involving strong facial muscle contractions during a yawn, which can compress the lacrimal glands, leading to the expulsion of tears. As a general science topic, it lacks specific current affairs facts, dates, or policy implications, making its direct relevance for competitive exams focused on current events very low.

Key Points

• 1Yawning is an involuntary reflex characterized by deep inhalation and exhalation.
• 2During a yawn, strong contractions occur in facial muscles, particularly around the eyes.
• 3These muscle contractions exert pressure on the lacrimal glands, responsible for tear production.
• 4Compression of the lacrimal glands stimulates the release of tears, causing the eyes to water.
• 5This phenomenon is a normal physiological response and not a current affairs event.