Seasonal affective disorder: an overview
Intended for healthcare professionals
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Seasonal affective disorder: an overview

Cheryl Zauderer Assistant professor of nursing, New York Institute of Technology Nursing, Old Westbury, New York, US
C Anne Ganzer Assistant professor, Hunter-Bellevue School of Nursing, New York, US

Cheryl Zauderer and C Anne Ganzer outline the diagnosis, causes and treatment options for people who experience the winter blues

The definition of seasonal affective disorder (SAD) is a history of major depressive episodes and remissions that are seasonal, affecting mostly women during the winter months in colder countries. Symptoms commonly begin in the autumn, peak in midwinter and subside in the spring. The exact cause is unknown; however, there are several contributing factors including seasonal change of light affecting internal circadian rhythms and secretion of the hormone melatonin, genetic inheritance and diet. Mental health care clinicians are in an ideal position to promptly recognise the condition and implement treatment that may help limit the severity of the depressive symptoms. The degree of illness can vary, as well as the timing of onset and resolution and may depend on geographical location. Treatments include light therapy, diet, exercise, psychotherapy and antidepressant medication.

Mental Health Practice. 18, 9, 21-24. doi: 10.7748/mhp.18.9.21.e973

Correspondence

czaudere@nyit.edu

Peer review

This article has been subject to double-blind peer review and has been checked using antiplagiarism software

Conflict of interest

None declared

Received: 12 February 2014

Accepted: 11 June 2014

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