Certain People Are Much More Prone To Catch Contagious Yawns
Yawning Juanedc via Wikimedia Commons If you see or hear somebody else yawn, or even think or read about yawning, there's a good chance that you may yourself yawn; between 40 and 60 percent of people are susceptible to contagious yawning. Previous studies (for example here and here) suggest that contagious yawning has to do with how much empathy a person generally feels, and links have been drawn to a person's intelligence, the time of day, and the weather. But a new study found that none of those things matter nearly as much as your age, and whether or not you are susceptible to yawning in the first place. The study, published in PLOS ONE, found that almost all the people who contagiously yawned (after watching a video of people yawning) again yawned when tested at a later date, or in a different location....