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Anxiety

Glossary

anxiety

Feelings of fear, dread, and uneasiness that may occur as a reaction to stress. A person with anxiety may sweat, feel restless and tense, and have a rapid heart beat. Extreme anxiety that happens often over time may be a sign of an anxiety disorder.

Last updated: 2016-01-06

Source: The National Cancer Institute's Dictionary of Cancer Terms (http://www.cancer.gov/dictionary)