What causes stays like Bobby Knight or Russell Crowe to abruptly erupt in a titanic rage? Psychiatrists say they may have "intermittent explosive disorder.

What causes stays like Bobby Knight or Russell Crowe to abruptly erupt in a titanic rage?

Psychiatrists say they may have "intermittent explosive disorder," or IED. And according to a application of mind the condition is more belonging to all than previously thought, affecting as many as 16 million Americans.

Researchers who scrutinizeed more than 9,000 adults raise that 7.3 percent have IED, making it more often met with than schizophrenia or bipolar disorder.

"It is of the present days to a lot of the bulk of mankind even those who are specialists in mental health services, that as it was a large proportion of the population has these clinically significant anger attacks," said Ronald Kessler of Harvard Medical educate lead author of the meditation in the Archives of General Psychiatry.

RELIEF, THEN REMORSE

Broadly defined, IED is having at least three lifetime episodes of explosive rage way disclosed of proportion to a normal reaction. as it is outbursts involve damage to estate and/or an assault or threat of an assault. They include road rage and spousal abuse.

beneath this definition, 7.3 percent of adults have IED. Using a narrower definition -- three eruptions in a single year -- 54 percent have IED. Previous studies, involving fewer controls put the IED rate at between 31 percent and 4 percent

IED is more habitual in young men and nation with low education and income. The first episode present itselfs around age 13 in males and 19 in females. They typically be moved a sense of relief during eruptions but are remorseful afterward.

MED ARE NO MAGIC BULLET

clan with IED reported having an average of 43 outbreaks in their lifetimes, resulting in an average of $1359 in attribute damage. But only 29 percent had been treated for IED. And 82 percent had at least single other disorder, such as depression, anxiety and physic or alcohol abuse.

IED likely is caused by dint of a chemical imbalance in the brain: excessive amounts of the chemicals that trigger eruptions and not enough of the chemicals that inhibit eruptions said Dr. Emil Coccaro, an IED experienced person who co-authored the study.

"These family aren't jerks," he said. "They have a real problem"

IED can be treated with anti-depressants of that kind as Prozac and Zoloft. In about 70 percent of cases, the mix with drugss give patients a longer fuse before they thump up. The drugs are "reasonably effective, if it were not that not a magic bullet," Coccaro said.

Patients also ne behavioral therapy to have the direction of their anger. For example, when they be wrought up they are about to treat with contempt patients should take a "time out" at perhaps walking around the block up Coccaro said.

jritter@suntimes.com

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