Seasonal Affective Disorder describes depression that varies with the amount of sunlight. With less sunlight, one may get depressed. To have SAD, this would occur every year, and the depression would be more than "winter blues." During periods of greater sunlight, a degree of mania may occur, but that is not a prerequisite for this illness. In rare cases, the symptoms are reversed, with depression occurring during periods of increased sunlight.
An in depth, clinical discussion of this disorder.
Discusses phototherapy as a replacement for diminished light. (BBC)
Details treatment recommended by ayurvedic medicine physicians.
An online book by a psychiatrist about bright light therapy for depression and sleep.
Non-profit organization dedicated to education and research on treatments for SAD, nonseasonal depression and circadian rhythm sleep disorders. Includes FAQ and self-assessment tool.
Solicits volunteers for current NIMH studies.
Fact sheet includes suggested treatments, and advice on buying a lightbox.
Describes symptoms, screening and treatment options.
Discusses negative ions as an alternative therapy to depression.
An interview with researcher Norman Rosenthal, MD.
An international support organization based in the United Kingdom. Provides information and membership details.
A Salon.com article by a physician.
Discusses the diagnosis and treatment of this disorder. Covers related mood and sleep problems.
An international organization promoting research, professional development and clinical applications, with details of meetings and membership.
Discusses research study of cognitive behavioral therapy's effect on this disorder.
Pioneering research psychiatrist Norman E. Rosenthal presents an article on SAD.
Message board for sufferers.
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