Depression: Overview

About this resource:

HHS Non-systematic Review

Source: National Institute of Mental Health

Last Reviewed: September 2022

This webpage defines common signs of depression and some specific forms it may take, like:

  • Persistent depressive disorder
  • Postpartum depression
  • Psychotic depression
  • Seasonal affective disorder
  • Bipolar disorder

It includes information on risk factors and potential treatments and therapies, like:

  • Medications
  • Talk therapy
  • Brain stimulation therapy

The page also provides other ways to help a loved one experiencing depression. Additionally, it includes information about how to join a research study and links to other resources.

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Suggested Citation


National Institute of Mental Health. (n.d.). Depression. Retrieved from