What is depression? - Helen M. Farrell - YouTube
View full lesson: http://ed.ted.com/lessons/what-is-depression-helen-m-farrellDepression is the leading cause of disability in the world; in the United State...
Overview

Added
March 5, 2026
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Audience
learner
Grade range
Grade 9 (Freshman)–Grade 12 (Senior)
Page kind
Video
Keywords
Helen Farrell Artrake Studio depression clinical depression mental illness depression treatment what is depression difference between depression and sadness what do if you are depressed TED TED-Ed TED Ed TEDEducation
Introduction
Understanding Depression
- Global Impact: Depression is the leading cause of disability worldwide.
- Prevalence: It is a significant health concern in the United States.
- Educational Resource: This content is part of a TED-Ed lesson presented by Helen M. Farrell.
- Core Subject: The lesson provides a clinical and educational overview of what depression is, how it functions, and its impact on individuals.
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