Scientists and medical professionals have not yet agreed upon a clear definition of aggressive multiple sclerosis (MS). However, doctors may use the term to refer to MS that progresses rapidly, ...

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 ...

It’s a mistake to think problematic aggression is limited to those with psychiatric disorders. Healthy people have also the capacity for impulsive violence – and resulting “morally” poor behaviour.

Some people are directly aggressive, meaning they aren’t afraid to express exactly how they feel. And other people are passive-aggressive. “Passive-aggressive behavior is best described as a pattern ...