Aggressive behavior is exceptionally costly and has inspired decades of research. Over the years, scientists have largely agreed upon the following definition of aggression: "Any intentional attempt ...

How witnessing aggression might affect behavior ...

The real danger of passive aggressive behavior is that it often sneaks up on adults, quietly accumulating as a series of minor but irritating behaviors. Then, suddenly, the young person makes one more ...

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"?

Marriage can be a tricky landscape to navigate, where direct confrontations often give way to subtler forms of communication. Sometimes, instead of hashing it out, you or your partner might choose the ...

Aggression can be contagious, suggests new research. People who repeatedly observe aggressive behavior have a higher likelihood of engaging in violent behavior themselves, scientists say. Researchers ...

The phrases passive-aggressive people use without even realizing it can cause emotional harm and confusion. Just because someone might be expressing negative emotions in a subconscious way, that doesn ...

A new study found that prolonged mental fatigue can wear down cognitive resources, leading to higher rates of aggressive behavior. The findings improve understanding of why we may be more inclined to ...

Outright anger is fairly easy to identify, but passive-aggressive behavior can be a little more subtle. Although those who engage in it think it has no consequences, it can actually do everything from ...