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Sweating the small stuff: Early adversity, prior depression linked to high sensitivity to stress
Date:6/28/2011

We all know people who are able to roll with life's punches, while for others, every misfortune is a jab straight to the gut. Research examining this issue has found that although most people require significant adversity to become depressed the death of a loved one, say, or getting fired roughly 30 percent of people with first-time depression and 60 percent of people with a history of depression develop the disorder following relatively minor misfortunes. But no one knew why.

Now, a new study led by UCLA researchers suggests that people become depressed more easily following minor life stress in part because they have experienced early life adversity or prior depressive episodes, both of which may make people more sensitive to later life stress.

George Slavich, an assistant professor at the UCLA Cousins Center for Psychoneuroimmunology, and colleagues assessed individuals' experiences with early adversity, clinical depression and recent life stress. Slavich found that individuals who experienced an early parental loss or separation and people who had more lifetime episodes of depression became depressed following lower levels of life stress than those who didn't have these predisposing factors.

The study appears in the current online edition of the Journal of Psychiatric Research.

"We have known for a long time that some people are more likely to experience mental and physical health problems than others," Slavich said. "For example, while some people get depressed following a relationship breakup, others do not. In this study, we aimed to identify factors that are associated with this phenomenon and to examine whether increased sensitivity to stress might be playing a role."

The researchers recruited 100 individuals with depression, 26 men and 74 women, and interviewed them extensively to determine what types of adversity they were exposed to when they were young, how many episodes of depression th
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Contact: Mark Wheeler
mwheeler@mednet.ucla.edu
310-794-2265
University of California - Los Angeles
Source:Eurekalert

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