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; ...

If you've ever had to grit your teeth during rush hour traffic or hold your tongue in a work meeting, you know just how pervasive feelings of aggression can be. We've all been there. Anger is one of ...

Babies bite. Toddlers throw tantrums. Kids play rough. Siblings might swat at each other while fighting over toys or the last popsicle. It's not uncommon for children — especially younger ones who ...