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Seasonal Affective Disorder

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by Riley J

(SAD)

 

Definition

Seasonal affective disorder (SAD) is a type of depression. It is associated with the seasonal changes in light. SAD most commonly occurs in late fall and lasts through the winter and into spring. SAD is more than feeling down, it interferes with normal daily functions during these times.
Brain—Psychological Organ
Brain face skull
SAD may be caused by fluctuations in hormones and brain chemicals.
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RESOURCES

Depression and Bipolar Support Alliance (DBSA)
http://www.dbsalliance.org

National Mental Health Association
http://www.mentalhealthamerica.net

 

CANADIAN RESOURCES

Canadian Mental Health Association
http://www.cmha.ca

Canadian Psychological Association
http://www.cpa.ca

 

References


Johansson C, Smedh C, et al. Seasonal affective disorder and serotonin-related polymorphisms. Neurobiology of Disease. 2001;8:351–357.


Seasonal affective disorder. American Academy of Family Physicians website. Available at: http://familydoctor.org/familydoctor/en/diseases-conditions/seasonal-affective-disorder.html. Updated September 2012. Accessed September 17, 2013.


Seasonal affective disorder. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed/what. Updated December 19, 2012. Accessed September 17, 2013.


7/20/06 DynaMed's Systematic Literature Surveillance. http://www.epnet.com/dynamed/what.php: Lam RW, Levitt AJ, et al. The Can-SAD study: a randomized controlled trial of the effectiveness of light therapy and fluoxetine in patients with winter seasonal affective disorder. Am J Psychiatry. 2006;163:805-812.

 

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