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Seasonal affective disorder, or SAD, also known as winter depression is an affective, or mood disorder. Most SAD sufferers experience normal mental health throughout most of the year, but experience depressive symptoms in the winter. SAD is rare, if existent at all in the tropics, but is measurably present at latitudes of 30°N (or S) and higher.

Cause


Seasonal mood variations are believed to be related mostly to daylight, not temperature. For this reason, SAD is prevalent even in mid-latitude places with mild winters, such as Seattle. People that live in the Arctic region are especially susceptible due to the effects of polar nights. Prolonged periods of overcast weather can also exacerbate SAD. SAD is a serious disorder, sometimes triggering dysthymia or clinical depression. It may require hospitalization.

Norman Rosenthal, MD, pioneer in SAD research, has estimated that the prevalence of SAD in the adult US population is between 1.4 percent (in Florida) and 9.7 percent (in New Hampshire).

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Avoiding and Managing Seasonal Affective Disorder | ArticlesBase.com http://tinyurl.com/y9dw3ss
chris_ledu (Christine Ledu) Mon, 14 Dec 2009 17:44:50 -0000
Avoiding and Managing Seasonal Affective Disorder | ArticlesBase.com http://tinyurl.com/y9dw3ss
Fight Seasonal Affective Disorder for $53 @ http://aclnk.com/ar2482454
ACCER (ACCER) Mon, 14 Dec 2009 17:15:20 -0000
Fight Seasonal Affective Disorder for $53 @ http://aclnk.com/ar2482454
i'm not going to see placebo tonight. my heart's not in it. my heart's not in anything anymore. SEASONAL AFFECTIVE DISORDER!
MorrisseysQuiff (Little C) Mon, 14 Dec 2009 16:17:19 -0000
i'm not going to see placebo tonight. my heart's not in it. my heart's not in anything anymore. SEASONAL AFFECTIVE DISORDER!
If I don't see the sun this week, I just might lose it. Seasonal affective disorder is in full effect.
jmfinley (James Finley) Mon, 14 Dec 2009 16:10:32 -0000
If I don't see the sun this week, I just might lose it. Seasonal affective disorder is in full effect.
Feeling blue? Seasonal Affective Disorder (SAD) could be the cause. Avera & Wall St Jrnl explore this condition. http://tinyurl.com/y8bf2xd
AveraMcKennan (Avera McKennan) Mon, 14 Dec 2009 16:06:12 -0000
Feeling blue? Seasonal Affective Disorder (SAD) could be the cause. Avera & Wall St Jrnl explore this condition. http://tinyurl.com/y8bf2xd
@Regis_and_Kelly Do you wonder why you feel depressed on gloomy days? It could mean you have Seasonal Affective Disorder...
linuxglobe (Markus McLaughlin) Mon, 14 Dec 2009 15:46:26 -0000
@Regis_and_Kelly Do you wonder why you feel depressed on gloomy days? It could mean you have Seasonal Affective Disorder...

 
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Alaska Northern Lights - Information on Seasonal Affective Disorder(SAD) and the North Star 10,000 light box used to treat Seasonal Affective Disorder.
Meta Description: [ Alaska Northern Lights - SAD Light Therapy Box. Our North Star 10,000 bright light therapy box is on sale! It's one of the brightest 10,000 lux SAD light therapy boxes available. 10,000 lux @ 24" with a 100% money back satisfaction guarantee. We also have SAD, seasonal affective disorder and wint... ]

Amjo Lights - Distributor of the Sunrise light boxes, the Apollo Light Systems line of Brite Lite therapy products, dawn simulators and the Verilux line.

Apollo Light Systems - Relief from SAD, Seasonal Affective Disorder, Winter Blues through 10,000 lux, light therapy, shift circadian rhythms.
Meta Description: [ Our light therapy light boxes are effective for seasonal affective disorder or SAD, depression and sleep or bipolar disorders. ]

Bio Light - Light therapy for seasonal affective disorder (SAD), winter depression or winter blues.
Meta Description: [ Light boxes for SAD seasonal affective disorder. Light therapy and dawn simulators for the winter blues. Products by Enviro-Med. ]

Bio-Brite, Inc. - Light therapy products that assist in coping with SAD, jet lag and improved sleep quality. Includes research, information and secure online purchasing

ETA Lighting Systems - Light therapy products for mood disorders and seasonal affective disorder.

Full Spectrum Solutions - Factory direct full spectrum lighting for office and home. Light therapy fixtures.
Meta Description: [ Light Therapy - Full Spectrum Light - Full Spectrum Lighting for the home or office. ]

Healthlight Inc. - List of products sold including testimonials and studies.
Meta Description: [ Health Light Inc provides affordable light therapy for SAD ]

Light Therapy Products - Sales of dawn simulators, light boxes, and full spectrum Chromalux light bulbs.
Meta Description: [ Light box for seasonal depression by Light Therapy Products. SAD winter blues or seasonal affective disorder info. ]

Litestyle - Providing lightboxes to assist therapy. Includes FAQ and illustrated product catalogue.
Meta Description: [ Easy domain name registration with free homepage, including .co.uk, .com, & .eu domain names. Register your cheap domain names today. ]

M Lighting Co. - Offers full spectrum lights, Chromalux bulbs, and phototherapy products and light boxes.

Morning Starlight Light Therapy - System that provides featureless white light for treating symptoms of seasonal affective disorder.
Meta Description: [ Ganzfeld light therapy for seasonal affective disorder, meditation, relaxation. Inexpensive, portable, effective light therapy system with money-back satisfaction guarantee. ]

National Light Hire Company - Offers equipment for light therapy.

Natural Lighting - Full spectrum lighting by Vita-Lite. Ergonomic desk lamps, energy efficient compact fluorescent light bulbs. Used for seasonal affective disorder and ADD students.

Northern Light Technologies - Light therapy products including bright light boxes, as recommended by psychiatrists, psychologists and doctors to combat winter blues (SAD).

Nu-You Light Therapy Products - Full spectrum light therapy products, including therapy lightboxes used in the treatment of SAD and winter blues
Meta Description: [ Nu-You Lighting - Your source for quality light therapy products. ]

Outside In - Selling light boxes, visors and body clocks. Includes information about the disorders for which these products are used.
Meta Description: [ Information on Seasonal Affective Disorder (SAD), winter blues, causes and symptoms from Europe's number one provider of light therapy products. ]

Sunnex Biotechnologies - Low intensity light therapy for the treatment of seasonal affective disorder or winter depression. Educational information on light therapy, SAD and potential risk of eye damage from bright-light therapy.
Meta Description: [ Safe light therapy of low intensity that does not damage the eye. As effective as bright light therapy for Seasonal Affective Disorder - SAD, sleep disorders - including night work and shift work adaptation, and other chronobiological and depressive disorders ]

The SunBox Company - Bright light units for treating seasonal depression or dealing with the winter blues, jet lag, and sleep disorders.
Meta Description: [ Light Boxes at SunBox. Specializing in light therapies, light sad therapies, light therapy products and depression light therapies ]

True Sun LLC - Bright light therapy box, seasonal depression, sleep aids, air purification and pain management.
Meta Description: [ Apollo Golite M2 at True Sun : Your source for light therapy, cordless blue light therapy, Apollo GoLites and LED light boxes ]

Vita Lite - Full spectrum light used in important research projects by physicians and health professionals as a therapy light source for treating SAD.
Meta Description: [ Vita-Lite is used in light therapy by doctors researchers. ]

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