14 Weird Things That You Can Catch and Contagious

Certain behaviors -- like laughing and yawning -- can be easier to catch than the cold that's going around your office, according to psychologists. "Behavioral contagion" is a well-documented phenomenon in psychology. Our brains are hardwired for social interaction and bonding. Mimicking the actions we see in those around us is a natural way that we empathize and gain a sense of how others are feeling.