Seasonal Affective Disorder Causes, Symptoms and its Treatment & Prevention.

SAD Email Discussion Group -
 Support group hosted by Yahoo!Groups.
http://health.groups.yahoo.com/group/S-A-D/

Seasonal Affective Disorder -
 NMHA fact sheet describing symptoms and treatment for this affective disorder.
http://www.nmha.org/infoctr/factsheets/27.cfm

Seasonal Affective Disorder -
Fact sheet includes suggested treatments, and advice on buying a lightbox. (Canada)
http://www.heretohelp.bc.ca/publications/factsheets/seasonalaffective.shtml

Seasonal Affective Disorder: Alternative Medicine -
Covers various treatments from St. John's Wort to lightboxes (Cedars-Sinai Hospital).
http://healthinfo.cedars-sinai.edu

Seasonal Affective Disorder Association -
 Information and membership details for a UK based organization.
http://www.sada.org.uk/

Seasonal Affective Disorder Has Biological Roots -
 NIMH finding of difference in melatonin secretion does not prove causality.
http://www.medem.com

Seasonal Affective Disorder: Winter Depression -
 Discusses the diagnosis and treatment of this disorder. Covers related mood and sleep problems.
http://www.ncpamd.com/seasonal.htm

Seasonal Affective Disorders -
 An in depth, clinical discussion of this disorder, including references. (American Academy of Family Physicians)
http://www.aafp.org/afp/980315ap/saeed.html