Date: Wed, 22 Nov 1995 From: "Mary and Amani Jacobs" Subject: SAD Page Update Subject: Seasonal Affective Disorder (Winter Depression) Information As has been my practice (since people have told me it has been helpful in past years), I have posted some information about Seasonal Affective Disorder (SAD), otherwise known as Winter Depresson, at this time of year (autumn). Research suggests that the pineal gland in the brains of some people are more highly sensitive to the loss of natural light, resulting in a host of symptoms, generally described as a "hybernation reaction" in the most sensitive of cases. One might query as to "Why now?"--in September/ October--but the loss of light actually begins to be significant for some in the middle of August. In one case, a person began preparing for winter (the hybernation response) by buying rock salt on August 15th. Studies indicate that "light banking" in the fall can help to prevent more significant symptoms in the winter, with January being the peak season for a host of difficult reactions ranging from depression (and suicidal ideation in the most severe cases) to sluggishness to carbohydrate-craving to loss of motivation to seeing everything in a negative light and interpreting the actions of others in the same negative light. It is suggested that people begin to supplement their natural light in the early fall if they have significant symptoms during the winter, such as getting four hours of sun for four days in a row before October 15. "Catching up" on light later is much more difficult than prevention in the autumn when there are chances to use full-spectrum light indoors and also spend extended periods outside in natural light during non-office hours to keep one's internal store of light adequate, much as if one were a human photovoltaic cell. In August and September, some people already begin to slow down, notice they have a more distinctly negative attitude, and tend to cry more easily and feel problems are suddenly insurmountable. When people return from a summer in the sun to poorly-lit offices, or offices without windows, the symptoms can worsten gradually without conscious note save for a general lowering/worstening of mood as the light fades. In addition, there is new research suggesting the use of the hormone melatonin to relieve winter depression. A recent article in Newsweek in August, 1995 addressed this issue. For these reasons I offer the information below for those to whom it might be of benefit. Even if you do not have symptoms now, you might want to save the information for later on if you tend to be sensitive to light deprivation. The usual disclaimers apply that this is not medical advice, and is only information providced as a public service.
Mary Jacobs Winter Depression (Seasonal Affective Disorder [SAD]) Information
Winter Afternoons-- That oppresses, like the Heft Of Cathedral Tunes-- Heavenly Hurt, it gives us-- We can find no scar, But internal difference, Where the Meanings, are." --Emily Dickenson From "Winter Blues":
"The effects of the seasons on humans were all well known by the ancients, but were largely forgotten by modern medical practitioners until recently. . . ." **Information About Sources of High Intensity/Full Spectrum Light**
Vitality Concepts, Inc.
OTT-Light (portable task lights and screw-in bulbs for lamps)
OTT BIOLIGHTSYSTEMS, Inc. (Light Boxes and Tubes)
Duro-Test (Full-Spectrum "Vita Light" Flourescent Tubes)
The SunBox Company (Light Boxes, Light Visor, Books, Dawn Simulators)
Hydro/Aquatic Technologies (full-spectrum H.I.D lighting, hydra-and-aquaponic systems)
Apollo Light Systems Inc. (Light Box)
Bio-Brite, Inc.
Enviro-Med (Light Box) For further information, see the book "Winter Blues" by Norman E. Rosenthal, M.D. Write, including a self-addressed, stamped envelope to:
P. O. Box 478 Wilsonville OR 97070
Seasonal Studies Program
Sun Net For information on climate, length of the day, amount of sunlight, temperature, contact:
Federal Building Asheville NC 28801-2733 (704) CLIMATE (254-6283) The "Winter Blues" book also lists physicians and programs in each state and internationally whom persons affected can contact directly. From "Winter Blues":
"Live in rooms full of light
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