Common claims: A source check
Can you always tell when someone has depression?
Patient information also describes emotional emptiness, reduced interest and other changes. One visible mood therefore cannot confirm or rule out depression. [1]
General information for adults. Not medical or psychotherapeutic advice; not a substitute for examination, diagnosis or treatment.
Sources & editorial status
- IQWiG · InformedHealth.org: Depression ↗
Plain-language overview. Used for terminology, symptoms and course.
Compiled from an existing article: 31 October 2026. Source comparison in the article: 29 October 2026. Prepared with AI assistance; independent medical review is pending. Editorial compilation; independent medical expert review has not taken place.
Editorial responsibility: Mario V.W.B.R. Obst. Known limitations and the use of each source are explained alongside the reference. A source-comparison date is not the publication date of the original source.