Chronic anger, hostility may make you sick

People who are hostile or angry for longer periods of time are more at risk of health problems, according to a review of recent literature on anger and health.

Does chronic anger really affect health? "Scientists now are pretty confident that it does," Dr. John Swartzberg of the University of California, Berkeley, told Reuters Health.

According to the university's Wellness Letter, preliminary evidence suggests that chronic anger may weaken the immune system and cause other health problems, perhaps by triggering bad habits such as smoking and drinking, or by boosting stress hormones, which may affect immunity.

The report describes two recent studies that found hostility can increase the risk of dying, among both men with risk factors for cardiovascular disease and postmenopausal women with heart disease, among whom hostility also increased the risk of a second heart attack.

Another study showed that nearly 40 percent of people who had the most common type of stroke, called ischemic stroke, had felt angry or experienced something upsetting within two hours before the event.

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