Article: Worry can be beneficial -- to a point.

WASHINGTON, Nov 26, 2002 (United Press International via COMTEX)

"Worry" and "anxiety" are often used as synonyms, but a new study shows that worrying actually may shield people from the harmful effects of anxiety -- at least in the short term.

In preparing for an exam, for example, worry can generate some concrete strategies to give the student some sense of control and predictability over the outcome.

Anxiety is more of an emotional process, and worry is more of a cognitive mechanism one uses to fend off the negative emotion, Nathan Williams, assistant professor of psychology at the University of Arkansas, told United Press International.

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