In this intriguing episode of “Ok Now You Know,” host Joe Garner dives into the perplexing world of yawning, unraveling the various theories and scientific studies surrounding this common yet mysterious behavior. Garner explains why yawning isn’t just about staying awake but might be an essential function for cooling the brain and maintaining a well-functioning nervous system. The episode challenges traditional beliefs, suggesting that yawning plays a key role in brain efficiency by increasing oxygen intake and promoting blood flow.Using engaging insights, Joe explores the phenomenon of contagious yawning, a behavior that’s not just human but prevalent among social animals. He discusses the role of empathy and social bonding in triggering yawns, highlighting how we are more likely to mirror the yawns of close friends and family. Through captivating explanations and relatable examples, listeners gain a deeper understanding of the neurological and social dimensions of one of our most ubiquitous actions.

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