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Topic: Seasonal affective disorder

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	Seasonal affective disorder - Wikipedia, the free encyclopedia
		Seasonal affective disorder, or SAD, also known as winter depression is an affective, or mood disorder.
		SAD is rare, if existent at all in the tropics, but is measurably present at latitudes of 30°N (or S) and higher.
		In the USA the diagnosis of seasonal affective disorder was first proposed by Norman E. Rosenthal, MD in 1984.
	en.wikipedia.org /wiki/Seasonal_affective_disorder (826 words)

	Seasonal Affective Disorder
		For 27% of the sample, seasonal changes were a problem and 4.3% to 10% of subjects (depending on the case-finding definition) rated a degree of seasonal impairment equivalent to that of patients with seasonal affective disorder.
		It is apparent from this study that seasonal affective disorder represents the extreme end of the spectrum of seasonality that affects a large percentage of the general population.
		Seasonal affective disorder afflicts both sexes, though virtually all studies of the prevalence of SAD report that women are more likely to suffer than males.
	www.dw-view.com /images/sad/sad1.htm (5591 words)

	AllRefer.com - seasonal affective disorder (Psychology And Psychiatry) - Encyclopedia
		SAD effects an estimated 6% of Americans; for reasons not yet understood, 80% of those affected are women.
		Although the mechanism of the disorder is not perfectly understood, it is known to be a reaction to the biological effects of light on the body (see biorhythm).
		Melatonin is secreted by the pineal gland, which is in turn controlled by an area (the suprachiasmatic nuclei) of the hypothalamus; the hypothalamus, among other things, performs a clocklike function in the body.
	reference.allrefer.com /encyclopedia/S/seasonal.html (423 words)

	PsychNotes
		The criteria for winter seasonal pattern specify a recurrent pattern of major depressive episodes during winter and remission of symptoms during summer, in the absence of seasonal psychosocial stressors.
		A study of circadian signal of change of season in patients with seasonal affective disorder showed that patients with SAD generate a biological signal of change of season that is absent in healthy volunteers.
		The Diagnosis, Symptomatology, and Epidemiology of Seasonal Affective Disorder
	radio.weblogs.com /0117471/2005/10/30.html (957 words)

	Seasonal Affective Disorder (SAD): About light, depression & melatonin (Site not responding. Last check: 2007-09-18)
		When I talked to her I found out that she felt SAD every winter, but generally was able to hang on until her kids' February vacation from school when the family took a vacation in sunny Florida, which immediately lifted her spirits.
		During those seasons when the photoperiods are long, in the spring and summer, melatonin secretion is at its lowest since it can only be secreted at a significant rate during the relatively fewer hours of darkness.
		Most of the treatment for SAD which is actively discussed has to do with supplying bright, broad spectrum light with its associated effect of decreasing the amount of melatonin in the blood.
	world.std.com /~halberst/contrib/sad.html (3648 words)

	Seasonal Affective Disorder
		Seasonal affective disorder (SAD) is a form of depression that appears at the same time each year.
		A person with SAD may notice that his or her grades may drop, and teachers may comment that the person seems to have less motivation or is making less effort in school.
		Because the symptoms of SAD are triggered by lack of exposure to light, and they tend to go away on their own when available light increases, treatment for SAD often involves increased exposure to light during winter months.
	kidshealth.org /teen/your_mind/mental_health/sad.html (1975 words)

	NOSAD Information on combating Seasonal Depression
		SAD (Seasonal Affective Disorder) is a type of winter depression which affects millions of people every winter between September and April, in particular during December, January and February.
		SAD is caused by a biochemical imbalance in the hypothalamus due to the shortening of daylight hours and the lack of sunlight in winter.
		SAD symptoms disappear in spring, either suddenly with a few weeks of hypomania/hyperactivity, or gradually, depending on the intensity of sunlight in the spring/early summer.
	www.nosad.org (792 words)

	NAMI \| Seasonal Affective Disorder (SAD)
		Most people with SAD are women whose illness typically begins in their twenties, although men also report SAD of similar severity and have increasingly sought treatment.
		SAD can also occur in children and adolescents, in which case the syndrome is first suspected by parents and teachers.
		Patients with SAD also report that their depression worsens or reappears whenever the weather is overcast at any time of the year, or if their indoor lighting is decreased.
	www.nami.org /Content/ContentGroups/Helpline1/Seasonal_Affective_Disorder_(SAD).htm (1097 words)

	Seasonal Depression (SAD)
		Seasonal affective disorder (SAD) is a type of depression that is tied to seasons of the year.
		Most people with SAD are depressed only during the late fall and winter (sometimes called the "winter blues") and not during the spring or summer.
		SAD is most common in young adult women, although it can affect men or women of any age.
	www.emedicinehealth.com /seasonal_depression_sad/article_em.htm (223 words)

	Seasonal Affective Disorder- Health Encyclopedia and Reference
		In its most common form, SAD is a serious depression that recurs each year at the same time, starting in the fall or winter, and ending in the spring.
		Some of the symptoms typical of depression are sadness, anxiety, irritability, inability to concentrate, withdrawal into solitude and loss of interest in life.
		The prevalence of SAD increases as you head north from the equator.
	www.drkoop.com /encyclopedia/43/228.html (836 words)

	Seasonal affective disorder
		Seasonal affective disorder (SAD) is a form of depression that occurs in relation to the seasons, most commonly beginning in winter.
		Seasonal affective disorder (SAD) is marked by symptoms of depression profound enough to seriously affect work and relationships.
		The cause of SAD is not known but is thought to be related to numerous factors such as body temperature, hormone regulation, and ambient light.
	www.pennhealth.com /ency/article/001532.htm (359 words)

	Seasonal Affective Disorder (SAD) - Mental Health Disorders on MedicineNet.com
		Seasonal affective disorder is a type of depression that tends to occur (and recur) as the days grow shorter in the fall and winter.
		Seasonal affective disorder is also sometimes called winter depression, winter blues, or the hibernation reaction.
		Seasonal affective disorder is less common where there is snow on the ground.
	www.medicinenet.com /seasonal_affective_disorder_sad/article.htm (557 words)

	SAD seasonal affective disorder Info, FAQ's and usage guide information
		Seasonal Affective Disorder (SAD) is a specific type of major depression, one which reoccurs at specific times of the year.
		S.A.D. can be experienced as an isolated disorder or may be experienced in conjunction with an existing mood disorder or chronic illness.
		The tendency toward S.A.D. or severity of the symptoms can be influenced by many factors, such as living in a northern latitude, recent cloudy weather patterns, family history of S.A.D., working in a windowless office, recent illness, or general life stresses.
	www.lighttherapyproducts.com /sadinfo.html (1925 words)

	Seasonal Affective Disorder (Site not responding. Last check: 2007-09-18)
		SAD is a mood disorder associated with depression episodes and related to seasonal variations of light.
		SAD was first noted before 1845, but was not officially named until the early 1980’s.
		As sunlight has affected the seasonal activities of animals (i.e., reproductive cycles and hibernation), SAD may be an effect of this seasonal light variation in humans.
	www.nmha.org /infoctr/factsheets/27.cfm (423 words)

	Seasonal Affective Disorder and Light Therapy
		Seasonal affective disorder is a major (serious) form of depression that occurs at the same time each year.
		In contrast, SAD is a subtype of a major depressive disorder (or bipolar disorder) with seasonal patterns and appears to be more biological in origin.
		The symptoms are not better accounted for by a mood disorder due to a general medical condition, a substance-induced mood disorder, or bereavement (normal reaction to the death of a loved one).
	www.clevelandclinic.org /health/health-info/docs/1400/1484.asp?index=6412 (1216 words)

	seasonal affective disorder - Hutchinson encyclopedia article about seasonal affective disorder
		One type of SAD is associated with increased sleeping and appetite.
		It has been suggested that SAD may be caused by changes in the secretion of melatonin, a hormone produced by the pineal body in the brain.
		This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.
	encyclopedia.farlex.com /seasonal+affective+disorder (220 words)

	Seasonal Affective Disorder (Site not responding. Last check: 2007-09-18)
		Seasonal affective disorder (SAD) is an extreme form of common seasonal mood cycles, in which depression develops during the winter months.
		SAD is characterized by typical symptoms of depression, such as sadness, hopelessness, and thoughts of suicide (in some cases), and “atypical” depressive symptoms such as excessive sleep, lethargy, carbohydrate cravings, overeating, and weight gain.
		In a controlled trial, 96 patients with SAD were treated with light at 6,000 lux for 1.5 hours in either morning or evening, or with a sham negative ion generator, which was used as the placebo.
	www.kroger.com /hn/Concern/Seasonal_Affective_Disorder.htm (2654 words)

	Seasonal Affective Disorder
		Some of the first people to pioneer the research into SAD were a group of psychiatrists who published an article in 1984 titled, "Seasonal Affective Disorder: A description of the Syndrome and Preliminary Findings with Light Therapy" (1)..
		Some useful facts about SAD that might seem surprising are that 4-6% of the population with SAD experience winter depression symptoms, and women with SAD outnumber men with SAD 4 to1 (2).
		Although SAD has become recognized as a serious form of depression in itself, many doctors see the distinction between SAD, severe forms of SAD, and other serious forms of depression to be crucial in the health and diagnosis of the patient.
	serendip.brynmawr.edu /biology/b103/f00/web3/lindner3.html (1276 words)

	sad seasonal affective disorder
		Seasonal affective disorder is not yet accepted as a distinct psychological disorder.
		Rather, other mood disorders (major depression, bipolar depression, dysthymia) can be qualified with a "seasonal pattern specifier." What this means, is that the primary mood disorder appears to vary according to the seasons of the year.
		Finally, this pattern of seasonal depression must be present for at least two consecutive years, without any occurrences of non-seasonal depression Researchers are still trying to determine if this is a separate disorder, or simply the manifestation of recurrent major depression or another mood disorder in a cycle pattern.
	www.psychologyinfo.com /depression/sad.htm (929 words)

	Seasonal Affective Disorder - "Winter" Depression
		People with mood disorders are far more likely to be affected by the change in seasons, with estimates of likelihood ranging as high as 38 percent.
		SAD is most likely to affect people in higher latitudes and coincides with the darkest months of the year, making the seasonal reduction in light the obvious culprit.
		Hannah (March 2, 2004): I am 35 years old and I have SAD (seasonal affective disorder) since I was a child, in other words I am depressed from October to May and summer and spring days whenever cloudy or foggy.
	www.mcmanweb.com /seasonal_affective_disorder.htm (3004 words)

	Seasonal Affective Disorder
		Seasonal Affective Disorder, or SAD, is a pattern of significant depressive episodes that occur, then disappear with the change of seasons.
		A distinct subtype of recurrent depressive illness, SAD differs from other forms of mental illness (such as unipolar and bipolar depression) in that its symptoms only manifest themselves seasonally—generally starting in autumn and continuing through the winter months.
		SAD patients manifest many of the same symptoms as those who suffer from other types of depression, including negative feelings about the past, present and future, excessive sleep, increased appetite, mood swings and irritability, and impaired memory and concentration.
	www.infoplease.com /spot/sad1.html (323 words)

	Seasonal Affective Disorder: A Clear Link Between the Outside and the Inside of the Brain
		While Seasonal Affective Disorder (or SAD) is interesting in itself as a long-suffered from but only recently labeled illness, it is perhaps most interesting as an illustrative example of the complex interplay between neurological processes and the environment.
		Crucial in the diagnosis of SAD is the cyclical, seasonal pattern of depression (often lasting for four or five months) that comes as the days become shorter and goes as they become longer (9).
		Seasonal mood change is a clear and undeniable example of what happens when something goes wrong in the exchange of information from the outside to the inside.
	serendip.brynmawr.edu /bb/neuro/neuro98/202s98-paper3/Johnson3.html (2642 words)

	Seasonal Affective Disorder -- familydoctor.org (Site not responding. Last check: 2007-09-18)
		Seasonal affective disorder (also called SAD) is a type of depression that follows the seasons.
		SAD may be related to changes in the amount of daylight during different times of the year.
		For people who have manic depressive disorders, skin that is sensitive to light, or medical conditions that make their eyes vulnerable to light damage, light therapy should be used with caution.
	familydoctor.org /handouts/267.html (646 words)

	HereToHelp.bc.ca - Publications - Fact Sheets - Seasonal Affective Disorder
		Seasonal affective disorder, or SAD, is a type of clinical depression that appears at certain times of the year.
		Remember though that self-diagnosis or treatment of SAD is not recommended because there are other medical causes for depressive symptoms, and because light therapy may be harmful to people with certain medical conditions (for example, eye disease).
		Whyte, who has since been diagnosed with bipolar disorder, knows too well that leaving his SAD symptoms unchecked can spell disaster for his other conditions and that the light device is only part of a larger wellness plan.
	www.heretohelp.bc.ca /publications/factsheets/seasonalaffective.shtml (1595 words)

	Seasonal Affective Disorder (SAD)
		SAD is a type of seasonal depression, usually occurring in the winter, which affects millions of people a year between September and April with the peak occurring in the winter months of December, January, and February.
		Seasonal variations in serotonin, which is higher in the summer and fall and lower in the winter and spring.
		The Personal Inventory for Depression and SAD -- which incorporates the key SPAQ items, an item for determination of a major depressive episode in the past year and an item to assess reverse neurovegetative symptoms that characterize SAD -- is available as a free download here.
	counseling.uchicago.edu /vpc/uchicago/sads.html (1250 words)

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