Do you or someone you care about experience episodes of extreme and unpredictable anger? Intense rages that threaten relationships, jobs, property-or worse? The first thing you need to know is that you are not alone. Researchers estimate that some 7 percent of Americans may at some time experience a condition called intermittent explosive disorder (IED), which is characterized by reoccurring periods of extraordinary anger, and millions more have less frequent yet equally damaging experiences with rage. The second thing you need to know is that there is help.