Add Yahoo as a preferred source to see more of our stories on Google. How can parents distinguish typical aggressive behavior in kids from something more extreme? Experts explain. (Image: Getty; ...

Add Yahoo as a preferred source to see more of our stories on Google. You might feel joyful when your adorable little munchkins act cute. But sometimes sudden freak-outs and aggressive behavior of ...

Research scientists say kids who are persistently aggressive or defiant in their teens were likely showing signs of persistent aggressive behavior years earlier when they are toddlers. Sometimes as a ...

In the classic "Bobo doll" studies, children witnessed adults play with a rubber, inflated toy. The adults either behaved aggressively towards the doll, such as hitting it with a hammer or kicking it, ...

Erinn Acland has previously received funding from the Quebec Network on Suicide, Mood Disorders and Related Disorders, NSERC, and the University of Toronto Centre for the Study of Pain. Joanna Peplak ...