NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 8,034 terms related to cancer and medicine.

generalized anxiety disorder
(JEH-neh-ruh-lized ang-ZY-eh-tee dis-OR-der)
A condition marked by excessive worry and feelings of fear, dread, and uneasiness that last six months or longer. Other symptoms of generalized anxiety disorder include being restless, being tired or irritable, muscle tension, not being able to concentrate or sleep well, shortness of breath, fast heartbeat, sweating, and dizziness. Also called GAD.