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Feelings of dread or worry, often accompanied by physical signs of arousal, which are a normal reaction to stress. Excessive anxiety with no obvious source, however, may point to an anxiety disorder.

Example: A patient anticipating surgery complains of palpitations, shortness of breath, nausea, diarrhea, and sweating spells.

APA Reference
Grinnell, R. (2018). Anxiety. Psych Central. Retrieved on July 8, 2020, from