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University Library, University of Illinois at Urbana-Champaign

Depression: Home

This guide provides resources on depression.

What is Depression?

Depression is a widespread mental health issue and is the general name for a group of depressive disorders. Depression not only affects the inner state of a person, but can also their outward physical functions. In a state of depression, an individual may A person with their hands over their faceexperience:

  • anxiety
  • emptiness
  • hopelessness
  • guilt
  • irritability
  • restlessness
  • sadness

A depressive episode is not just "feeling down," which everyone experiences from time to time. Depression is a chronic and serious health condition that can be medically treated.

(Gale Encyclopedia of Mental Health, 3rd ed.)

DSM-IV and ICD-10 codes are varied. Check the DSM-IV for the correct code.

Who is Affected by Depression?

According to the National Institute of Mental Health's "Major Depression Among Adults" and "Major Depression Among Adolescents:"

  • Major depression is one of the most common mental health issue in the U.S.
  • In 2014, about 15.7 million (6.7%) adults aged 18 or older in the United States. had at least one major depressive episode in the past year
  • In 2014, an estimated 2.8 million (11.4%) adolescents aged 12 to 17 in the United States had at least one major depressive episode in the past year

JJ Pionke

Social Sciences, Health, and Education Library


JJ Pionke
Applied Health Sciences Librarian

Social Sciences, Health, and Education Library

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Social Sciences, Health, and Education Library
SSHEL (Room 101)
Main Library
1408 W. Gregory Dr.
Urbana, IL 61801
General Telephone: (217) 333-2305 Information Services Desk Telephone: (217) 244-1864

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