They sound harmless, but they’re not. And yes, you’ve probably said at least one of them.

Add Yahoo as a preferred source to see more of our stories on Google. Passive-aggressive behavior can sometimes be hard to identify. Here are some common phrases to avoid. Halfpoint Images via Getty ...

We have all heard the stereotype. “Psychopaths” are crazy axe murderers without conscience. Yet most people appreciate that there is far more to the analysis regarding the types of individuals who are ...

Before we had gaslighting and narcissism, passive-aggressive behavior was considered a major faux pax. It still is and for good reason. But let's back up a second—what exactly is "passive aggression"?

Call it hostile cooperation, sugarcoated hostility, or compliant defiance. Call it all of the above. Passive aggression does not alternate between passive behavior and aggressive behavior, but rather ...

AMES, Iowa – Iowa State University Anthropology Professor Jill Pruetz long suspected that man-made changes influenced the aggressive behavior researchers have observed among chimpanzees. However, her ...