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2437 pages added, reviewed or updated during the last month (last updated: 22/4/2021)


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anxiety

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Anxiety is a normal response to an unusual or stressful event; it is the psychological component of the "flight or fight" response.

Anxiety is considered abnormal when:

  • it is excessively severe or prolonged
  • it occurs in the absence of a stressful event
  • it impairs social, physical or occupational functioning

Last reviewed 08/2019

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