Seasonal affective disorder

Seasonal affective disorder (SAD),[1] also called winter depression, winter blues, summer depression and seasonal depression, is a mood disorder that happens in people who have normal mental health throughout most of the year. They show depressive symptoms at the same time each year, usually in the winter.[2][3]

  1. "Overview - Seasonal affective disorder (SAD)". nhs.uk. 2021-02-12. Retrieved 2024-05-21.
  2. Ivry, Sara (2002-08-13). "Seasonal Depression Can Accompany Summer Sun". The New York Times. ISSN 0362-4331. Retrieved 2017-12-04.
  3. Oginska, Halszka; Oginska-Bruchal, Katarzyna (2014-05-01). "Chronotype and personality factors of predisposition to seasonal affective disorder". Chronobiology International. 31 (4): 523–531. doi:10.3109/07420528.2013.874355. ISSN 0742-0528. PMID 24397301. S2CID 22428871.

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