We're often taught to repress our feelings and behave nicely. But anger has a biological purpose, and psychologists say it's healthier to embrace it. Here are four steps for working with anger.

Researchers have found a system in the brain that seems to integrate control of individual muscles with a person's intentions, emotions and entire body.

Scientists are trying to understand PTSD and other human disorders by studying emotion-related brain circuits in animals, which research suggests may have a lot in common with the human brain.