This mass media article talks about yawns and why it is contagious. First of all, the article presents different theories on why people feel the urge to yawn. These suggestions include that it brings oxygen-enriched blood to the brain as well as releasing a lot of carbon dioxide all at once. This theory also mentions that when we get tired, we tend to stop taking big breaths leading to this excessive amount of carbon dioxide needing to be evacuated (Carey). Although humans yawn about 20 times a day, Robert R. Provine affirms that “ ‘the likelihood of yawning increases sixfold, after seeing…